22011312300 has 36 divisors (see below), whose sum is σ = 63686064456. Its totient is φ = 5869683200.

The previous prime is 22011312263. The next prime is 22011312311. The reversal of 22011312300 is 321311022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22011312300.

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, 36685221 + ... + 36685820.

It is an arithmetic number, because the mean of its divisors is an integer number (1769057346).

Almost surely, 2^22011312300 is an apocalyptic number.

22011312300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22011312300 is an abundant number, since it is smaller than the sum of its proper divisors (41674752156).

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

22011312300 is a wasteful number, since it uses less digits than its factorization.

22011312300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73371058 (or 73371051 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 22011312300 its reverse (321311022), we get a palindrome (22332623322).

The spelling of 22011312300 in words is "twenty-two billion, eleven million, three hundred twelve thousand, three hundred".