2122211220100 has 36 divisors (see below), whose sum is σ = 4617349349200. Its totient is φ = 846644672160.

The previous prime is 2122211220071. The next prime is 2122211220113. The reversal of 2122211220100 is 10221122212.

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, 27959610 + ... + 28035409.

Almost surely, 2^{2122211220100} is an apocalyptic number.

2122211220100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122211220100 is an abundant number, since it is smaller than the sum of its proper divisors (2495138129100).

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

2122211220100 is a wasteful number, since it uses less digits than its factorization.

2122211220100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55995412 (or 55995405 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2122211220100 its reverse (10221122212), we get a palindrome (2132432342312).

The spelling of 2122211220100 in words is "two trillion, one hundred twenty-two billion, two hundred eleven million, two hundred twenty thousand, one hundred".