2113202555 has 4 divisors (see below), whose sum is σ = 2535843072. Its totient is φ = 1690562040.

The previous prime is 2113202551. The next prime is 2113202563. The reversal of 2113202555 is 5552023112.

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

It is not a de Polignac number, because 2113202555 - 2² = 2113202551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113202551) 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, 211320251 + ... + 211320260.

It is an arithmetic number, because the mean of its divisors is an integer number (633960768).

Almost surely, 2^2113202555 is an apocalyptic number.

2113202555 is a deficient number, since it is larger than the sum of its proper divisors (422640517).

2113202555 is an equidigital number, since it uses as much as digits as its factorization.

2113202555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422640516.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 2113202555 is about 45969.5829326306. The cubic root of 2113202555 is about 1283.2571981969.

Adding to 2113202555 its reverse (5552023112), we get a palindrome (7665225667).

The spelling of 2113202555 in words is "two billion, one hundred thirteen million, two hundred two thousand, five hundred fifty-five".