211201022200122 has 24 divisors (see below), whose sum is σ = 474550444944576. Its totient is φ = 70400340733212.

The previous prime is 211201022200097. The next prime is 211201022200171. The reversal of 211201022200122 is 221002220102112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 211201022200095 and 211201022200104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 217285001778 + ... + 217285002749.

It is an arithmetic number, because the mean of its divisors is an integer number (19772935206024).

Almost surely, 2^{211201022200122} is an apocalyptic number.

211201022200122 is an abundant number, since it is smaller than the sum of its proper divisors (263349422744454).

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

211201022200122 is an equidigital number, since it uses as much as digits as its factorization.

211201022200122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434570004544 (or 434570004532 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 211201022200122 its reverse (221002220102112), we get a palindrome (432203242302234).

The spelling of 211201022200122 in words is "two hundred eleven trillion, two hundred one billion, twenty-two million, two hundred thousand, one hundred twenty-two".