102121122210112 has 28 divisors (see below), whose sum is σ = 211457323709856. Its totient is φ = 48840536708480.

The previous prime is 102121122210073. The next prime is 102121122210179. The reversal of 102121122210112 is 211012221121201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 102121122210112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34687879714 + ... + 34687882657.

It is an arithmetic number, because the mean of its divisors is an integer number (7552047275352).

Almost surely, 2^{102121122210112} is an apocalyptic number.

It is an amenable number.

102121122210112 is an abundant number, since it is smaller than the sum of its proper divisors (109336201499744).

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

102121122210112 is an equidigital number, since it uses as much as digits as its factorization.

102121122210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69375762406 (or 69375762396 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 102121122210112 its reverse (211012221121201), we get a palindrome (313133343331313).

The spelling of 102121122210112 in words is "one hundred two trillion, one hundred twenty-one billion, one hundred twenty-two million, two hundred ten thousand, one hundred twelve".