22102100211200 has 120 divisors (see below), whose sum is σ = 54932433554592. Its totient is φ = 8812949381120.

The previous prime is 22102100211167. The next prime is 22102100211277. The reversal of 22102100211200 is 211200120122.

It is a congruent number.

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, 1334057 + ... + 6781143.

Almost surely, 2^{22102100211200} is an apocalyptic number.

22102100211200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22102100211200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27466216777296).

22102100211200 is an abundant number, since it is smaller than the sum of its proper divisors (32830333343392).

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

22102100211200 is an equidigital number, since it uses as much as digits as its factorization.

22102100211200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5447432 (or 5447411 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22102100211200 its reverse (211200120122), we get a palindrome (22313300331322).

The spelling of 22102100211200 in words is "twenty-two trillion, one hundred two billion, one hundred million, two hundred eleven thousand, two hundred".