2102100132 has 48 divisors (see below), whose sum is σ = 5357318400. Its totient is φ = 636224160.

The previous prime is 2102100127. The next prime is 2102100139. The reversal of 2102100132 is 2310012012.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (2102100139) 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, 104119 + ... + 122657.

It is an arithmetic number, because the mean of its divisors is an integer number (111610800).

Almost surely, 2^2102100132 is an apocalyptic number.

2102100132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2102100132 is an abundant number, since it is smaller than the sum of its proper divisors (3255218268).

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

2102100132 is a wasteful number, since it uses less digits than its factorization.

2102100132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19416 (or 19414 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2102100132 is about 45848.6655421944. The cubic root of 2102100132 is about 1281.0059093149.

Adding to 2102100132 its reverse (2310012012), we get a palindrome (4412112144).

The spelling of 2102100132 in words is "two billion, one hundred two million, one hundred thousand, one hundred thirty-two".