2100983128 has 16 divisors (see below), whose sum is σ = 3983607000. Its totient is φ = 1038687936.

The previous prime is 2100983107. The next prime is 2100983149. The reversal of 2100983128 is 8213890012.

It is an interprime number because it is at equal distance from previous prime (2100983107) and next prime (2100983149).

It is a junction number, because it is equal to n+sod(n) for n = 2100983093 and 2100983102.

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, 1474698 + ... + 1476121.

Almost surely, 2^2100983128 is an apocalyptic number.

It is an amenable number.

2100983128 is a deficient number, since it is larger than the sum of its proper divisors (1882623872).

2100983128 is a wasteful number, since it uses less digits than its factorization.

2100983128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2950914 (or 2950910 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 2100983128 is about 45836.4825002966. The cubic root of 2100983128 is about 1280.7789708318.

The spelling of 2100983128 in words is "two billion, one hundred million, nine hundred eighty-three thousand, one hundred twenty-eight".