2101365512 has 16 divisors (see below), whose sum is σ = 4171828860. Its totient is φ = 988877824.

The previous prime is 2101365481. The next prime is 2101365551. The reversal of 2101365512 is 2155631012.

It can be written as a sum of positive squares in 2 ways, for example, as 2034551236 + 66814276 = 45106^2 + 8174^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7725473 + ... + 7725744.

Almost surely, 2^2101365512 is an apocalyptic number.

It is an amenable number.

2101365512 is a deficient number, since it is larger than the sum of its proper divisors (2070463348).

2101365512 is a wasteful number, since it uses less digits than its factorization.

2101365512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15451240 (or 15451236 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 2101365512 is about 45840.6534857434. The cubic root of 2101365512 is about 1280.8566677396.

Adding to 2101365512 its reverse (2155631012), we get a palindrome (4256996524).

The spelling of 2101365512 in words is "two billion, one hundred one million, three hundred sixty-five thousand, five hundred twelve".