2122220122200 has 144 divisors (see below), whose sum is σ = 7319747741280. Its totient is φ = 550630068480.

The previous prime is 2122220122193. The next prime is 2122220122223. The reversal of 2122220122200 is 22210222212.

2122220122200 is a `hidden beast` number, since 2 + 122 + 220 + 122 + 200 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15865984 + ... + 15999183.

Almost surely, 2^{2122220122200} is an apocalyptic number.

2122220122200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122220122200 is an abundant number, since it is smaller than the sum of its proper divisors (5197527619080).

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

2122220122200 is a wasteful number, since it uses less digits than its factorization.

2122220122200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31865226 (or 31865214 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2122220122200 its reverse (22210222212), we get a palindrome (2144430344412).

The spelling of 2122220122200 in words is "two trillion, one hundred twenty-two billion, two hundred twenty million, one hundred twenty-two thousand, two hundred".