21132100230 has 32 divisors (see below), whose sum is σ = 51116396544. Its totient is φ = 5590853856.

The previous prime is 21132100217. The next prime is 21132100271. The reversal of 21132100230 is 3200123112.

21132100230 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2769432 + ... + 2777051.

It is an arithmetic number, because the mean of its divisors is an integer number (1597387392).

Almost surely, 2^21132100230 is an apocalyptic number.

21132100230 is an abundant number, since it is smaller than the sum of its proper divisors (29984296314).

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

21132100230 is a wasteful number, since it uses less digits than its factorization.

21132100230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5546620.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 21132100230 its reverse (3200123112), we get a palindrome (24332223342).

The spelling of 21132100230 in words is "twenty-one billion, one hundred thirty-two million, one hundred thousand, two hundred thirty".