212011111002200 has 96 divisors (see below), whose sum is σ = 516603495751200. Its totient is φ = 80763070248960.

The previous prime is 212011111002167. The next prime is 212011111002233. The reversal of 212011111002200 is 2200111110212.

It is an interprime number because it is at equal distance from previous prime (212011111002167) and next prime (212011111002233).

It is a super-2 number, since 2×212011111002200² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99578417 + ... + 101685216.

It is an arithmetic number, because the mean of its divisors is an integer number (5381286414075).

Almost surely, 2^{212011111002200} is an apocalyptic number.

212011111002200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212011111002200 is an abundant number, since it is smaller than the sum of its proper divisors (304592384749000).

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

212011111002200 is a wasteful number, since it uses less digits than its factorization.

212011111002200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201263901 (or 201263892 counting only the distinct ones).

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

Adding to 212011111002200 its reverse (2200111110212), we get a palindrome (214211222112412).

The spelling of 212011111002200 in words is "two hundred twelve trillion, eleven billion, one hundred eleven million, two thousand, two hundred".