121021021112102 has 64 divisors (see below), whose sum is σ = 195357259468800. Its totient is φ = 56099521296000.

The previous prime is 121021021112087. The next prime is 121021021112111. The reversal of 121021021112102 is 201211120120121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1799241152 + ... + 1799308412.

It is an arithmetic number, because the mean of its divisors is an integer number (3052457179200).

Almost surely, 2^{121021021112102} is an apocalyptic number.

121021021112102 is a deficient number, since it is larger than the sum of its proper divisors (74336238356698).

121021021112102 is a wasteful number, since it uses less digits than its factorization.

121021021112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75093.

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

Adding to 121021021112102 its reverse (201211120120121), we get a palindrome (322232141232223).

The spelling of 121021021112102 in words is "one hundred twenty-one trillion, twenty-one billion, twenty-one million, one hundred twelve thousand, one hundred two".