2101002231132 has 72 divisors (see below), whose sum is σ = 6089332785536. Its totient is φ = 598330999584.

The previous prime is 2101002231127. The next prime is 2101002231193. The reversal of 2101002231132 is 2311322001012.

2101002231132 is a `hidden beast` number, since 210 + 100 + 223 + 1 + 132 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13501318 + ... + 13656045.

Almost surely, 2^{2101002231132} is an apocalyptic number.

It is an amenable number.

2101002231132 is an abundant number, since it is smaller than the sum of its proper divisors (3988330554404).

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

2101002231132 is a wasteful number, since it uses less digits than its factorization.

2101002231132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27157687 (or 27157682 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2101002231132 its reverse (2311322001012), we get a palindrome (4412324232144).

The spelling of 2101002231132 in words is "two trillion, one hundred one billion, two million, two hundred thirty-one thousand, one hundred thirty-two".