22130021200 has 60 divisors (see below), whose sum is σ = 60762723040. Its totient is φ = 7587434880.

The previous prime is 22130021171. The next prime is 22130021231. The reversal of 22130021200 is 212003122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3948990 + ... + 3954589.

Almost surely, 2^22130021200 is an apocalyptic number.

22130021200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22130021200 is an abundant number, since it is smaller than the sum of its proper divisors (38632701840).

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

22130021200 is a wasteful number, since it uses less digits than its factorization.

22130021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7903604 (or 7903593 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 22130021200 its reverse (212003122), we get a palindrome (22342024322).

The spelling of 22130021200 in words is "twenty-two billion, one hundred thirty million, twenty-one thousand, two hundred".