2120102983 has 4 divisors (see below), whose sum is σ = 2121588040. Its totient is φ = 2118617928.

The previous prime is 2120102977. The next prime is 2120102987. The reversal of 2120102983 is 3892010212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2120102983 - 2⁵ = 2120102951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120102987) 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, 740385 + ... + 743242.

It is an arithmetic number, because the mean of its divisors is an integer number (530397010).

Almost surely, 2^2120102983 is an apocalyptic number.

2120102983 is a deficient number, since it is larger than the sum of its proper divisors (1485057).

2120102983 is a wasteful number, since it uses less digits than its factorization.

2120102983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485056.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 2120102983 is about 46044.5760432214. The cubic root of 2120102983 is about 1284.6524585112.

The spelling of 2120102983 in words is "two billion, one hundred twenty million, one hundred two thousand, nine hundred eighty-three".