22100222020100 has 72 divisors (see below), whose sum is σ = 54829261119360. Its totient is φ = 7574355774720.

The previous prime is 22100222020069. The next prime is 22100222020183. The reversal of 22100222020100 is 102022200122.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4110785 + ... + 7816584.

Almost surely, 2^{22100222020100} is an apocalyptic number.

22100222020100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22100222020100 is an abundant number, since it is smaller than the sum of its proper divisors (32729039099260).

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

22100222020100 is a wasteful number, since it uses less digits than its factorization.

22100222020100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11930037 (or 11930030 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22100222020100 its reverse (102022200122), we get a palindrome (22202244220222).

The spelling of 22100222020100 in words is "twenty-two trillion, one hundred billion, two hundred twenty-two million, twenty thousand, one hundred".