21132012110 has 32 divisors (see below), whose sum is σ = 42834161664. Its totient is φ = 7436484000.

The previous prime is 21132012091. The next prime is 21132012119. The reversal of 21132012110 is 1121023112.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21132012119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3095126 + ... + 3101945.

It is an arithmetic number, because the mean of its divisors is an integer number (1338567552).

Almost surely, 2^21132012110 is an apocalyptic number.

21132012110 is an abundant number, since it is smaller than the sum of its proper divisors (21702149554).

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

21132012110 is a wasteful number, since it uses less digits than its factorization.

21132012110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6197120.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 21132012110 its reverse (1121023112), we get a palindrome (22253035222).

The spelling of 21132012110 in words is "twenty-one billion, one hundred thirty-two million, twelve thousand, one hundred ten".