2122200012100 has 36 divisors (see below), whose sum is σ = 5263056031744. Its totient is φ = 727611432480.

The previous prime is 2122200012083. The next prime is 2122200012133. The reversal of 2122200012100 is 12100022212.

It is a happy 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, 1515856452 + ... + 1515857851.

Almost surely, 2^{2122200012100} is an apocalyptic number.

2122200012100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122200012100 is an abundant number, since it is smaller than the sum of its proper divisors (3140856019644).

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

2122200012100 is a wasteful number, since it uses less digits than its factorization.

2122200012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3031714324 (or 3031714317 counting only the distinct ones).

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

Adding to 2122200012100 its reverse (12100022212), we get a palindrome (2134300034312).

The spelling of 2122200012100 in words is "two trillion, one hundred twenty-two billion, two hundred million, twelve thousand, one hundred".