212110112100 has 36 divisors (see below), whose sum is σ = 613705258544. Its totient is φ = 56562696480.

The previous prime is 212110112087. The next prime is 212110112183. The reversal of 212110112100 is 1211011212.

212110112100 is digitally balanced in base 3, 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 (12).

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, 353516554 + ... + 353517153.

Almost surely, 2^212110112100 is an apocalyptic number.

212110112100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212110112100 is an abundant number, since it is smaller than the sum of its proper divisors (401595146444).

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

212110112100 is a wasteful number, since it uses less digits than its factorization.

212110112100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707033724 (or 707033717 counting only the distinct ones).

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

Adding to 212110112100 its reverse (1211011212), we get a palindrome (213321123312).

The spelling of 212110112100 in words is "two hundred twelve billion, one hundred ten million, one hundred twelve thousand, one hundred".