211312013222200 has 144 divisors (see below), whose sum is σ = 546267455004600. Its totient is φ = 75390904742400.

The previous prime is 211312013222171. The next prime is 211312013222207. The reversal of 211312013222200 is 2222310213112.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211312013222207) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10917195 + ... + 23276794.

Almost surely, 2^{211312013222200} is an apocalyptic number.

211312013222200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211312013222200 is an abundant number, since it is smaller than the sum of its proper divisors (334955441782400).

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

211312013222200 is a wasteful number, since it uses less digits than its factorization.

211312013222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34194122 (or 34194060 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 211312013222200 its reverse (2222310213112), we get a palindrome (213534323435312).

The spelling of 211312013222200 in words is "two hundred eleven trillion, three hundred twelve billion, thirteen million, two hundred twenty-two thousand, two hundred".