21332113210100 has 72 divisors (see below), whose sum is σ = 57713062669248. Its totient is φ = 6648970348800.

The previous prime is 21332113210099. The next prime is 21332113210123. The reversal of 21332113210100 is 101231123312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 1385194457 + ... + 1385209856.

Almost surely, 2^{21332113210100} is an apocalyptic number.

21332113210100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21332113210100 is an abundant number, since it is smaller than the sum of its proper divisors (36380949459148).

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

21332113210100 is a wasteful number, since it uses less digits than its factorization.

21332113210100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2770404345 (or 2770404338 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 21332113210100 its reverse (101231123312), we get a palindrome (21433344333412).

The spelling of 21332113210100 in words is "twenty-one trillion, three hundred thirty-two billion, one hundred thirteen million, two hundred ten thousand, one hundred".