210110221212102 has 24 divisors (see below), whose sum is σ = 455253555542760. Its totient is φ = 70034472263040.

The previous prime is 210110221212079. The next prime is 210110221212167. The reversal of 210110221212102 is 201212122011012.

210110221212102 is a `hidden beast` number, since 21 + 0 + 110 + 221 + 212 + 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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188440452 + ... + 189552167.

It is an arithmetic number, because the mean of its divisors is an integer number (18968898147615).

Almost surely, 2^{210110221212102} is an apocalyptic number.

210110221212102 is an abundant number, since it is smaller than the sum of its proper divisors (245143334330658).

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

210110221212102 is a wasteful number, since it uses less digits than its factorization.

210110221212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378023508 (or 378023505 counting only the distinct ones).

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

Adding to 210110221212102 its reverse (201212122011012), we get a palindrome (411322343223114).

The spelling of 210110221212102 in words is "two hundred ten trillion, one hundred ten billion, two hundred twenty-one million, two hundred twelve thousand, one hundred two".