210111100120102 has 16 divisors (see below), whose sum is σ = 315811375110000. Its totient is φ = 104840659255680.

The previous prime is 210111100120073. The next prime is 210111100120127. The reversal of 210111100120102 is 201021001111012.

It is a happy number.

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, 19708674 + ... + 28436842.

It is an arithmetic number, because the mean of its divisors is an integer number (19738210944375).

Almost surely, 2^{210111100120102} is an apocalyptic number.

210111100120102 is a deficient number, since it is larger than the sum of its proper divisors (105700274989898).

210111100120102 is a wasteful number, since it uses less digits than its factorization.

210111100120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8752791.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 210111100120102 its reverse (201021001111012), we get a palindrome (411132101231114).

The spelling of 210111100120102 in words is "two hundred ten trillion, one hundred eleven billion, one hundred million, one hundred twenty thousand, one hundred two".