2100099983 has 16 divisors (see below), whose sum is σ = 2200794624. Its totient is φ = 2002079520.

The previous prime is 2100099979. The next prime is 2100100033. The reversal of 2100099983 is 3899900012.

It is a cyclic number.

It is not a de Polignac number, because 2100099983 - 2² = 2100099979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2100099983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100098983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436316 + ... + 441102.

It is an arithmetic number, because the mean of its divisors is an integer number (137549664).

Almost surely, 2^2100099983 is an apocalyptic number.

2100099983 is a deficient number, since it is larger than the sum of its proper divisors (100694641).

2100099983 is a wasteful number, since it uses less digits than its factorization.

2100099983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5062.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 2100099983 is about 45826.8478405399. The cubic root of 2100099983 is about 1280.5994878628.

Adding to 2100099983 its reverse (3899900012), we get a palindrome (5999999995).

The spelling of 2100099983 in words is "two billion, one hundred million, ninety-nine thousand, nine hundred eighty-three".