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10221201201222 = 2321198352514983
BaseRepresentation
bin1001010010111100111100…
…0100010001100001000110
31100012010201002022112212200
42110233033010101201012
52314431010001414342
633423315514255330
72103312615465504
oct224571704214106
940163632275780
1010221201201222
113290872680520
121190b2b727546
13591b1697747b
142749ccc59674
1512ad2480994c
hex94bcf111846

10221201201222 has 48 divisors (see below), whose sum is σ = 24183780311808. Its totient is φ = 3094182739440.

The previous prime is 10221201201217. The next prime is 10221201201269. The reversal of 10221201201222 is 22210210212201.

It is a happy number.

10221201201222 is a `hidden beast` number, since 1 + 0 + 221 + 20 + 1 + 201 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10221201201195 and 10221201201204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26062858 + ... + 26452125.

It is an arithmetic number, because the mean of its divisors is an integer number (503828756496).

Almost surely, 210221201201222 is an apocalyptic number.

10221201201222 is an abundant number, since it is smaller than the sum of its proper divisors (13962579110586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10221201201222 is a wasteful number, since it uses less digits than its factorization.

10221201201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52515985 (or 52515982 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10221201201222 its reverse (22210210212201), we get a palindrome (32431411413423).

The spelling of 10221201201222 in words is "ten trillion, two hundred twenty-one billion, two hundred one million, two hundred one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 983 1966 2949 5898 8847 10813 17694 21626 32439 64878 97317 194634 52514983 105029966 157544949 315089898 472634847 577664813 945269694 1155329626 1732994439 3465988878 5198983317 10397966634 51622228289 103244456578 154866684867 309733369734 464600054601 567844511179 929200109202 1135689022358 1703533533537 3407067067074 5110600600611 10221201201222