22131000543300 has 144 divisors (see below), whose sum is σ = 70298413655232. Its totient is φ = 5330918361600.

The previous prime is 22131000543283. The next prime is 22131000543347. The reversal of 22131000543300 is 334500013122.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20839747 + ... + 21875946.

Almost surely, 2^{22131000543300} is an apocalyptic number.

22131000543300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22131000543300 is an abundant number, since it is smaller than the sum of its proper divisors (48167413111932).

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

22131000543300 is a wasteful number, since it uses less digits than its factorization.

22131000543300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42715878 (or 42715871 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 22131000543300 its reverse (334500013122), we get a palindrome (22465500556422).

The spelling of 22131000543300 in words is "twenty-two trillion, one hundred thirty-one billion, five hundred forty-three thousand, three hundred".