21271106232 has 48 divisors (see below), whose sum is σ = 57642675480. Its totient is φ = 7086254400.

The previous prime is 21271106201. The next prime is 21271106273. The reversal of 21271106232 is 23260117212.

21271106232 is a `hidden beast` number, since 2 + 1 + 27 + 1 + 10 + 623 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 21271106196 and 21271106205.

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, 40507 + ... + 210197.

Almost surely, 2^21271106232 is an apocalyptic number.

It is an amenable number.

21271106232 is an abundant number, since it is smaller than the sum of its proper divisors (36371569248).

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

21271106232 is a wasteful number, since it uses less digits than its factorization.

21271106232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171444 (or 171437 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The spelling of 21271106232 in words is "twenty-one billion, two hundred seventy-one million, one hundred six thousand, two hundred thirty-two".