22002100222100 has 18 divisors (see below), whose sum is σ = 47744557482174. Its totient is φ = 8800840088800.

The previous prime is 22002100222097. The next prime is 22002100222147. The reversal of 22002100222100 is 122200120022.

It can be written as a sum of positive squares in 3 ways, for example, as 4212887611024 + 17789212611076 = 2052532^2 + 4217726^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 110010501011 + ... + 110010501210.

Almost surely, 2^{22002100222100} is an apocalyptic number.

22002100222100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22002100222100 is an abundant number, since it is smaller than the sum of its proper divisors (25742457260074).

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

22002100222100 is a wasteful number, since it uses less digits than its factorization.

22002100222100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220021002235 (or 220021002228 counting only the distinct ones).

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

Adding to 22002100222100 its reverse (122200120022), we get a palindrome (22124300342122).

The spelling of 22002100222100 in words is "twenty-two trillion, two billion, one hundred million, two hundred twenty-two thousand, one hundred".