2100202001 has 8 divisors (see below), whose sum is σ = 2184276864. Its totient is φ = 2017728720.

The previous prime is 2100201989. The next prime is 2100202007. The reversal of 2100202001 is 1002020012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2100202001 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 2100202001.

It is not an unprimeable number, because it can be changed into a prime (2100202007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397721 + ... + 402966.

It is an arithmetic number, because the mean of its divisors is an integer number (273034608).

Almost surely, 2^2100202001 is an apocalyptic number.

It is an amenable number.

2100202001 is a deficient number, since it is larger than the sum of its proper divisors (84074863).

2100202001 is an equidigital number, since it uses as much as digits as its factorization.

2100202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800791.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 2100202001 is about 45827.9609081617. The cubic root of 2100202001 is about 1280.6202237142.

Adding to 2100202001 its reverse (1002020012), we get a palindrome (3102222013).

It can be divided in two parts, 2 and 100202001, that multiplied together give a palindrome (200404002).

The spelling of 2100202001 in words is "two billion, one hundred million, two hundred two thousand, one".