2113102002001 has 4 divisors (see below), whose sum is σ = 2204976002112. Its totient is φ = 2021228001892.

The previous prime is 2113102001993. The next prime is 2113102002029. The reversal of 2113102002001 is 1002002013112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2113102002001 - 2³ = 2113102001993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113102002031) 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, 45937000021 + ... + 45937000066.

It is an arithmetic number, because the mean of its divisors is an integer number (551244000528).

Almost surely, 2^{2113102002001} is an apocalyptic number.

It is an amenable number.

2113102002001 is a deficient number, since it is larger than the sum of its proper divisors (91874000111).

2113102002001 is an equidigital number, since it uses as much as digits as its factorization.

2113102002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91874000110.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 2113102002001 its reverse (1002002013112), we get a palindrome (3115104015113).

The spelling of 2113102002001 in words is "two trillion, one hundred thirteen billion, one hundred two million, two thousand, one".