22110221121100 has 72 divisors (see below), whose sum is σ = 55265107251200. Its totient is φ = 7520957075520.

The previous prime is 22110221121047. The next prime is 22110221121127. The reversal of 22110221121100 is 112112201122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124265550 + ... + 124443349.

Almost surely, 2^{22110221121100} is an apocalyptic number.

22110221121100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22110221121100 is an abundant number, since it is smaller than the sum of its proper divisors (33154886130100).

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

22110221121100 is a wasteful number, since it uses less digits than its factorization.

22110221121100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248709047 (or 248709040 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22110221121100 its reverse (112112201122), we get a palindrome (22222333322222).

The spelling of 22110221121100 in words is "twenty-two trillion, one hundred ten billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred".