22121332212300 has 72 divisors (see below), whose sum is σ = 64068585712656. Its totient is φ = 5893105071360.

The previous prime is 22121332212283. The next prime is 22121332212337. The reversal of 22121332212300 is 321223312122.

It is a super-3 number, since 3×22121332212300³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36680727 + ... + 37278926.

Almost surely, 2^{22121332212300} is an apocalyptic number.

22121332212300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22121332212300 is an abundant number, since it is smaller than the sum of its proper divisors (41947253500356).

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

22121332212300 is a wasteful number, since it uses less digits than its factorization.

22121332212300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73960667 (or 73960660 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 22121332212300 its reverse (321223312122), we get a palindrome (22442555524422).

The spelling of 22121332212300 in words is "twenty-two trillion, one hundred twenty-one billion, three hundred thirty-two million, two hundred twelve thousand, three hundred".