212011112002100 has 72 divisors (see below), whose sum is σ = 479515618702848. Its totient is φ = 81272032790400.

The previous prime is 212011112002087. The next prime is 212011112002111. The reversal of 212011112002100 is 1200211110212.

It is a super-2 number, since 2×212011112002100² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 331674299 + ... + 332312898.

Almost surely, 2^{212011112002100} is an apocalyptic number.

212011112002100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212011112002100 is an abundant number, since it is smaller than the sum of its proper divisors (267504506700748).

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

212011112002100 is a wasteful number, since it uses less digits than its factorization.

212011112002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663987345 (or 663987338 counting only the distinct ones).

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

Adding to 212011112002100 its reverse (1200211110212), we get a palindrome (213211323112312).

The spelling of 212011112002100 in words is "two hundred twelve trillion, eleven billion, one hundred twelve million, two thousand, one hundred".