2100110402 has 48 divisors (see below), whose sum is σ = 3620377320. Its totient is φ = 908070912.

The previous prime is 2100110399. The next prime is 2100110437. The reversal of 2100110402 is 2040110012.

It can be written as a sum of positive squares in 12 ways, for example, as 95667961 + 2004442441 = 9781^2 + 44771^2 .

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, 2080874 + ... + 2081882.

Almost surely, 2^2100110402 is an apocalyptic number.

2100110402 is a deficient number, since it is larger than the sum of its proper divisors (1520266918).

2100110402 is a wasteful number, since it uses less digits than its factorization.

2100110402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335 (or 1318 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2100110402 is about 45826.9615183027. The cubic root of 2100110402 is about 1280.6016056261.

Adding to 2100110402 its reverse (2040110012), we get a palindrome (4140220414).

The spelling of 2100110402 in words is "two billion, one hundred million, one hundred ten thousand, four hundred two".