2101100132 has 24 divisors (see below), whose sum is σ = 3714895800. Its totient is φ = 1039723776.

The previous prime is 2101100129. The next prime is 2101100137. The reversal of 2101100132 is 2310011012.

It can be written as a sum of positive squares in 4 ways, for example, as 616230976 + 1484869156 = 24824^2 + 38534^2 .

It is not an unprimeable number, because it can be changed into a prime (2101100137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474344 + ... + 478752.

It is an arithmetic number, because the mean of its divisors is an integer number (154787325).

Almost surely, 2^2101100132 is an apocalyptic number.

It is an amenable number.

2101100132 is a deficient number, since it is larger than the sum of its proper divisors (1613795668).

2101100132 is a wasteful number, since it uses less digits than its factorization.

2101100132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5615 (or 5613 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 2101100132 is about 45837.7588021055. The cubic root of 2101100132 is about 1280.8027459681.

Adding to 2101100132 its reverse (2310011012), we get a palindrome (4411111144).

The spelling of 2101100132 in words is "two billion, one hundred one million, one hundred thousand, one hundred thirty-two".