210112221111102 has 64 divisors (see below), whose sum is σ = 482505001355520. Its totient is φ = 67731316884000.

The previous prime is 210112221111011. The next prime is 210112221111139. The reversal of 210112221111102 is 201111122211012.

It is a happy number.

210112221111102 is a `hidden beast` number, since 210 + 11 + 222 + 111 + 110 + 2 = 666.

210112221111102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 447723924 + ... + 448192967.

It is an arithmetic number, because the mean of its divisors is an integer number (7539140646180).

Almost surely, 2^{210112221111102} is an apocalyptic number.

210112221111102 is an abundant number, since it is smaller than the sum of its proper divisors (272392780244418).

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

210112221111102 is a wasteful number, since it uses less digits than its factorization.

210112221111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895917046 (or 895917040 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 210112221111102 its reverse (201111122211012), we get a palindrome (411223343322114).

The spelling of 210112221111102 in words is "two hundred ten trillion, one hundred twelve billion, two hundred twenty-one million, one hundred eleven thousand, one hundred two".