2100011100983 has 4 divisors (see below), whose sum is σ = 2105641157928. Its totient is φ = 2094381044040.

The previous prime is 2100011100961. The next prime is 2100011101009. The reversal of 2100011100983 is 3890011100012.

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 2100011100983 - 2²⁰ = 2100010052407 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 (2100011100953) 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, 2815027913 + ... + 2815028658.

It is an arithmetic number, because the mean of its divisors is an integer number (526410289482).

Almost surely, 2^{2100011100983} is an apocalyptic number.

2100011100983 is a deficient number, since it is larger than the sum of its proper divisors (5630056945).

2100011100983 is an equidigital number, since it uses as much as digits as its factorization.

2100011100983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5630056944.

The product of its (nonzero) digits is 432, while the sum is 26.

Adding to 2100011100983 its reverse (3890011100012), we get a palindrome (5990022200995).

The spelling of 2100011100983 in words is "two trillion, one hundred billion, eleven million, one hundred thousand, nine hundred eighty-three".