121010211110102 has 16 divisors (see below), whose sum is σ = 181914038163312. Its totient is φ = 60372200620800.

The previous prime is 121010211110093. The next prime is 121010211110123. The reversal of 121010211110102 is 201011112010121.

It is a super-2 number, since 2×121010211110102² (a number of 29 digits) contains 22 as substring.

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, 122939102 + ... + 123919502.

It is an arithmetic number, because the mean of its divisors is an integer number (11369627385207).

Almost surely, 2^{121010211110102} is an apocalyptic number.

121010211110102 is a deficient number, since it is larger than the sum of its proper divisors (60903827053210).

121010211110102 is a wasteful number, since it uses less digits than its factorization.

121010211110102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115903.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 121010211110102 its reverse (201011112010121), we get a palindrome (322021323120223).

The spelling of 121010211110102 in words is "one hundred twenty-one trillion, ten billion, two hundred eleven million, one hundred ten thousand, one hundred two".