102021212122102 has 128 divisors (see below), whose sum is σ = 197775841536000. Its totient is φ = 38362351610880.

The previous prime is 102021212122097. The next prime is 102021212122111. The reversal of 102021212122102 is 201221212120201.

It is a self number, because there is not a number n which added to its sum of digits gives 102021212122102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 486588852 + ... + 486798472.

It is an arithmetic number, because the mean of its divisors is an integer number (1545123762000).

Almost surely, 2^{102021212122102} is an apocalyptic number.

102021212122102 is a deficient number, since it is larger than the sum of its proper divisors (95754629413898).

102021212122102 is a wasteful number, since it uses less digits than its factorization.

102021212122102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210398.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102021212122102 its reverse (201221212120201), we get a palindrome (303242424242303).

The spelling of 102021212122102 in words is "one hundred two trillion, twenty-one billion, two hundred twelve million, one hundred twenty-two thousand, one hundred two".