210111120102 has 32 divisors (see below), whose sum is σ = 468152102880. Its totient is φ = 62420279040.

The previous prime is 210111120091. The next prime is 210111120113. The reversal of 210111120102 is 201021111012.

210111120102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (210111120091) and next prime (210111120113).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46441399 + ... + 46445922.

It is an arithmetic number, because the mean of its divisors is an integer number (14629753215).

Almost surely, 2^210111120102 is an apocalyptic number.

210111120102 is an abundant number, since it is smaller than the sum of its proper divisors (258040982778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210111120102 is a wasteful number, since it uses less digits than its factorization.

210111120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92887368.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 210111120102 its reverse (201021111012), we get a palindrome (411132231114).

The spelling of 210111120102 in words is "two hundred ten billion, one hundred eleven million, one hundred twenty thousand, one hundred two".