22020102020100 has 72 divisors (see below), whose sum is σ = 67064731783840. Its totient is φ = 5562973140480.

The previous prime is 22020102020041. The next prime is 22020102020117. The reversal of 22020102020100 is 102020102022.

It is a super-2 number, since 2×22020102020100² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1931582197 + ... + 1931593596.

Almost surely, 2^{22020102020100} is an apocalyptic number.

22020102020100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22020102020100 is an abundant number, since it is smaller than the sum of its proper divisors (45044629763740).

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

22020102020100 is a wasteful number, since it uses less digits than its factorization.

22020102020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3863175829 (or 3863175822 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22020102020100 its reverse (102020102022), we get a palindrome (22122122122122).

The spelling of 22020102020100 in words is "twenty-two trillion, twenty billion, one hundred two million, twenty thousand, one hundred".