21352106200 has 24 divisors (see below), whose sum is σ = 49643647380. Its totient is φ = 8540842400.

The previous prime is 21352106179. The next prime is 21352106201. The reversal of 21352106200 is 260125312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21352106201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53380066 + ... + 53380465.

Almost surely, 2^21352106200 is an apocalyptic number.

21352106200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21352106200 is an abundant number, since it is smaller than the sum of its proper divisors (28291541180).

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

21352106200 is a wasteful number, since it uses less digits than its factorization.

21352106200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106760547 (or 106760538 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The spelling of 21352106200 in words is "twenty-one billion, three hundred fifty-two million, one hundred six thousand, two hundred".