2100561032 has 16 divisors (see below), whose sum is σ = 3943936140. Its totient is φ = 1048844736.

The previous prime is 2100561007. The next prime is 2100561037. The reversal of 2100561032 is 2301650012.

It can be written as a sum of positive squares in 2 ways, for example, as 2100022276 + 538756 = 45826^2 + 734^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2100560995 and 2100561013.

It is not an unprimeable number, because it can be changed into a prime (2100561037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173243 + ... + 184970.

Almost surely, 2^2100561032 is an apocalyptic number.

It is an amenable number.

2100561032 is a deficient number, since it is larger than the sum of its proper divisors (1843375108).

2100561032 is a wasteful number, since it uses less digits than its factorization.

2100561032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358952 (or 358948 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2100561032 is about 45831.8779017400. The cubic root of 2100561032 is about 1280.6931938637.

The spelling of 2100561032 in words is "two billion, one hundred million, five hundred sixty-one thousand, thirty-two".