102121101212102 has 16 divisors (see below), whose sum is σ = 179136018074112. Its totient is φ = 42748367949000.

The previous prime is 102121101212099. The next prime is 102121101212111. The reversal of 102121101212102 is 201212101121201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84818189774 + ... + 84818190977.

It is an arithmetic number, because the mean of its divisors is an integer number (11196001129632).

Almost surely, 2^{102121101212102} is an apocalyptic number.

102121101212102 is a deficient number, since it is larger than the sum of its proper divisors (77014916862010).

102121101212102 is a wasteful number, since it uses less digits than its factorization.

102121101212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169636380803.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102121101212102 its reverse (201212101121201), we get a palindrome (303333202333303).

Subtracting 102121101212102 from its reverse (201212101121201), we obtain a palindrome (99090999909099).

The spelling of 102121101212102 in words is "one hundred two trillion, one hundred twenty-one billion, one hundred one million, two hundred twelve thousand, one hundred two".