21132321150 has 24 divisors (see below), whose sum is σ = 52408156824. Its totient is φ = 5635285600.

The previous prime is 21132321143. The next prime is 21132321163. The reversal of 21132321150 is 5112323112.

It is a congruent number.

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, 70440921 + ... + 70441220.

It is an arithmetic number, because the mean of its divisors is an integer number (2183673201).

Almost surely, 2^21132321150 is an apocalyptic number.

21132321150 is an abundant number, since it is smaller than the sum of its proper divisors (31275835674).

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

21132321150 is a wasteful number, since it uses less digits than its factorization.

21132321150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140882156 (or 140882151 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 21132321150 its reverse (5112323112), we get a palindrome (26244644262).

The spelling of 21132321150 in words is "twenty-one billion, one hundred thirty-two million, three hundred twenty-one thousand, one hundred fifty".