21322133321100 has 36 divisors (see below), whose sum is σ = 61692039076584. Its totient is φ = 5685902218880.

The previous prime is 21322133321063. The next prime is 21322133321119. The reversal of 21322133321100 is 112333122312.

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, 35536888569 + ... + 35536889168.

Almost surely, 2^{21322133321100} is an apocalyptic number.

21322133321100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21322133321100 is an abundant number, since it is smaller than the sum of its proper divisors (40369905755484).

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

21322133321100 is a wasteful number, since it uses less digits than its factorization.

21322133321100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71073777754 (or 71073777747 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 21322133321100 its reverse (112333122312), we get a palindrome (21434466443412).

The spelling of 21322133321100 in words is "twenty-one trillion, three hundred twenty-two billion, one hundred thirty-three million, three hundred twenty-one thousand, one hundred".