212102112110 has 64 divisors (see below), whose sum is σ = 466308430848. Its totient is φ = 67803339264.

The previous prime is 212102112107. The next prime is 212102112239. The reversal of 212102112110 is 11211201212.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 705554 + ... + 960213.

It is an arithmetic number, because the mean of its divisors is an integer number (7286069232).

Almost surely, 2^212102112110 is an apocalyptic number.

212102112110 is an abundant number, since it is smaller than the sum of its proper divisors (254206318738).

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

212102112110 is a wasteful number, since it uses less digits than its factorization.

212102112110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665905.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 212102112110 its reverse (11211201212), we get a palindrome (223313313322).

The spelling of 212102112110 in words is "two hundred twelve billion, one hundred two million, one hundred twelve thousand, one hundred ten".