212210100100100 has 36 divisors (see below), whose sum is σ = 460507470885504. Its totient is φ = 84881910331680.

The previous prime is 212210100100057. The next prime is 212210100100127. The reversal of 212210100100100 is 1001001012212.

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, 22612712 + ... + 30590111.

It is an arithmetic number, because the mean of its divisors is an integer number (12791874191264).

Almost surely, 2^{212210100100100} is an apocalyptic number.

212210100100100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212210100100100 is an abundant number, since it is smaller than the sum of its proper divisors (248297370785404).

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

212210100100100 is a wasteful number, since it uses less digits than its factorization.

212210100100100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53242724 (or 53242717 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 212210100100100 its reverse (1001001012212), we get a palindrome (213211101112312).

The spelling of 212210100100100 in words is "two hundred twelve trillion, two hundred ten billion, one hundred million, one hundred thousand, one hundred".