22120011220100 has 72 divisors (see below), whose sum is σ = 48033013148736. Its totient is φ = 8841999600000.

The previous prime is 22120011220091. The next prime is 22120011220117. The reversal of 22120011220100 is 102211002122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1009528145 + ... + 1009550055.

Almost surely, 2^{22120011220100} is an apocalyptic number.

22120011220100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22120011220100 is an abundant number, since it is smaller than the sum of its proper divisors (25913001928636).

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

22120011220100 is a wasteful number, since it uses less digits than its factorization.

22120011220100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28317 (or 28310 counting only the distinct ones).

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

Adding to 22120011220100 its reverse (102211002122), we get a palindrome (22222222222222).

The spelling of 22120011220100 in words is "twenty-two trillion, one hundred twenty billion, eleven million, two hundred twenty thousand, one hundred".