2156110204 has 12 divisors (see below), whose sum is σ = 3995145504. Its totient is φ = 1014640064.

The previous prime is 2156110199. The next prime is 2156110237. The reversal of 2156110204 is 4020116512.

It is a super-2 number, since 2×2156110204² = 9297622423585843232, which contains 22 as substring.

It is a congruent number.

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, 15853684 + ... + 15853819.

It is an arithmetic number, because the mean of its divisors is an integer number (332928792).

Almost surely, 2^2156110204 is an apocalyptic number.

It is an amenable number.

2156110204 is a deficient number, since it is larger than the sum of its proper divisors (1839035300).

2156110204 is a wasteful number, since it uses less digits than its factorization.

2156110204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31707524 (or 31707522 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 2156110204 is about 46433.9337553906. The cubic root of 2156110204 is about 1291.8843930017.

Adding to 2156110204 its reverse (4020116512), we get a palindrome (6176226716).

The spelling of 2156110204 in words is "two billion, one hundred fifty-six million, one hundred ten thousand, two hundred four".