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30201201122121 = 3429163295326711
BaseRepresentation
bin1101101110111110000111…
…10111010101101101001001
310221221012120122002202210000
412313133003313111231021
512424304024441401441
6144122123521313213
76234651626614041
oct667370367255511
9127835518082700
1030201201122121
119694291765067
123479241195809
1313b0c65556573
14765a62bb0721
1537590890b2b6
hex1b77c3dd5b49

30201201122121 has 80 divisors (see below), whose sum is σ = 46975062879360. Its totient is φ = 19313324916480.

The previous prime is 30201201122117. The next prime is 30201201122123. The reversal of 30201201122121 is 12122110210203.

30201201122121 is a `hidden beast` number, since 302 + 0 + 120 + 1 + 1 + 221 + 21 = 666.

It is not a de Polignac number, because 30201201122121 - 22 = 30201201122117 is a prime.

It is a super-2 number, since 2×302012011221212 (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30201201122094 and 30201201122103.

It is not an unprimeable number, because it can be changed into a prime (30201201122123) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1130651956 + ... + 1130678666.

It is an arithmetic number, because the mean of its divisors is an integer number (587188285992).

Almost surely, 230201201122121 is an apocalyptic number.

It is an amenable number.

30201201122121 is a deficient number, since it is larger than the sum of its proper divisors (16773861757239).

30201201122121 is a wasteful number, since it uses less digits than its factorization.

30201201122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29868 (or 29859 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 30201201122121 its reverse (12122110210203), we get a palindrome (42323311332324).

The spelling of 30201201122121 in words is "thirty trillion, two hundred one billion, two hundred one million, one hundred twenty-two thousand, one hundred twenty-one".

Divisors: 1 3 9 27 29 81 87 163 261 489 783 1467 2349 2953 4401 4727 8859 13203 14181 26577 26711 42543 79731 80133 85637 127629 239193 240399 256911 382887 481339 721197 770733 774619 1444017 2163591 2312199 2323857 4332051 4353893 6936597 6971571 12996153 13061679 13958831 20914713 38988459 39185037 41876493 62744139 78877583 117555111 125629479 126262897 236632749 352665333 376888437 378788691 709898247 1130665311 1136366073 2129694741 2287449907 3409098219 6389084223 6862349721 10227294657 12857046029 20587049163 38571138087 61761147489 115713414261 185283442467 347140242783 372854334841 1041420728349 1118563004523 3355689013569 10067067040707 30201201122121