211020122200 has 24 divisors (see below), whose sum is σ = 490621784580. Its totient is φ = 84408048800.

The previous prime is 211020122191. The next prime is 211020122263. The reversal of 211020122200 is 2221020112.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 527550106 + ... + 527550505.

Almost surely, 2^211020122200 is an apocalyptic number.

211020122200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211020122200 is an abundant number, since it is smaller than the sum of its proper divisors (279601662380).

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

211020122200 is a wasteful number, since it uses less digits than its factorization.

211020122200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055100627 (or 1055100618 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 211020122200 its reverse (2221020112), we get a palindrome (213241142312).

The spelling of 211020122200 in words is "two hundred eleven billion, twenty million, one hundred twenty-two thousand, two hundred".