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102101101112121 = 346772877302721
BaseRepresentation
bin10111001101110001000011…
…110111001110101100111001
3111101111202210021202000100220
4113031301003313032230321
5101340311023341041441
61001052333123250253
730335363316003246
oct2715610367165471
9441452707660326
10102101101112121
112a594919897981
12b54ba64219989
1344c8128369987
141b2da10a705cd
15bc0d3d4dc466
hex5cdc43dceb39

102101101112121 has 8 divisors (see below), whose sum is σ = 136426310695584. Its totient is φ = 67921646135040.

The previous prime is 102101101112117. The next prime is 102101101112141. The reversal of 102101101112121 is 121211101101201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102101101112121 - 22 = 102101101112117 is a prime.

It is a super-2 number, since 2×1021011011121212 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102101101112121.

It is not an unprimeable number, because it can be changed into a prime (102101101112141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36438649960 + ... + 36438652761.

It is an arithmetic number, because the mean of its divisors is an integer number (17053288836948).

Almost surely, 2102101101112121 is an apocalyptic number.

It is an amenable number.

102101101112121 is a deficient number, since it is larger than the sum of its proper divisors (34325209583463).

102101101112121 is an equidigital number, since it uses as much as digits as its factorization.

102101101112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72877303191.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 102101101112121 its reverse (121211101101201), we get a palindrome (223312202213322).

The spelling of 102101101112121 in words is "one hundred two trillion, one hundred one billion, one hundred one million, one hundred twelve thousand, one hundred twenty-one".

Divisors: 1 3 467 1401 72877302721 218631908163 34033700370707 102101101112121