210122111220102 has 96 divisors (see below), whose sum is σ = 464433179438592. Its totient is φ = 68644692490752.

The previous prime is 210122111220097. The next prime is 210122111220113. The reversal of 210122111220102 is 201022111221012.

210122111220102 is a `hidden beast` number, since 210 + 1 + 22 + 111 + 220 + 102 = 666.

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 47 ways as a sum of consecutive naturals, for example, 494305383 + ... + 494730285.

It is an arithmetic number, because the mean of its divisors is an integer number (4837845619152).

Almost surely, 2^{210122111220102} is an apocalyptic number.

210122111220102 is an abundant number, since it is smaller than the sum of its proper divisors (254311068218490).

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

210122111220102 is a wasteful number, since it uses less digits than its factorization.

210122111220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427762 (or 427759 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 210122111220102 its reverse (201022111221012), we get a palindrome (411144222441114).

The spelling of 210122111220102 in words is "two hundred ten trillion, one hundred twenty-two billion, one hundred eleven million, two hundred twenty thousand, one hundred two".