21122300300 has 36 divisors (see below), whose sum is σ = 45846857280. Its totient is φ = 8446806720.

The previous prime is 21122300299. The next prime is 21122300321. The reversal of 21122300300 is 300322112.

It is a happy 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, 411461 + ... + 459939.

Almost surely, 2^21122300300 is an apocalyptic number.

21122300300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21122300300 is an abundant number, since it is smaller than the sum of its proper divisors (24724556980).

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

21122300300 is a wasteful number, since it uses less digits than its factorization.

21122300300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52850 (or 52843 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 21122300300 its reverse (300322112), we get a palindrome (21422622412).

The spelling of 21122300300 in words is "twenty-one billion, one hundred twenty-two million, three hundred thousand, three hundred".