210101112102 has 24 divisors (see below), whose sum is σ = 488806669656. Its totient is φ = 60028889088.

The previous prime is 210101112041. The next prime is 210101112197. The reversal of 210101112102 is 201211101012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 357314523 + ... + 357315110.

It is an arithmetic number, because the mean of its divisors is an integer number (20366944569).

Almost surely, 2^210101112102 is an apocalyptic number.

210101112102 is an abundant number, since it is smaller than the sum of its proper divisors (278705557554).

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

210101112102 is a wasteful number, since it uses less digits than its factorization.

210101112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714629652 (or 714629645 counting only the distinct ones).

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

Adding to 210101112102 its reverse (201211101012), we get a palindrome (411312213114).

The spelling of 210101112102 in words is "two hundred ten billion, one hundred one million, one hundred twelve thousand, one hundred two".