211012222222200 has 96 divisors (see below), whose sum is σ = 747586158744960. Its totient is φ = 48231365078400.

The previous prime is 211012222222199. The next prime is 211012222222211. The reversal of 211012222222200 is 2222222210112.

It is a super-2 number, since 2×211012222222200² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25120498446 + ... + 25120506845.

It is an arithmetic number, because the mean of its divisors is an integer number (7787355820260).

Almost surely, 2^{211012222222200} is an apocalyptic number.

211012222222200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211012222222200 is an abundant number, since it is smaller than the sum of its proper divisors (536573936522760).

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

211012222222200 is a wasteful number, since it uses less digits than its factorization.

211012222222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50241005317 (or 50241005308 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 211012222222200 its reverse (2222222210112), we get a palindrome (213234444432312).

The spelling of 211012222222200 in words is "two hundred eleven trillion, twelve billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred".