2113210133 has 4 divisors (see below), whose sum is σ = 2142973728. Its totient is φ = 2083446540.

The previous prime is 2113210091. The next prime is 2113210171. The reversal of 2113210133 is 3310123112.

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 2113210133 - 2⁸ = 2113209877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113210433) 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, 14881691 + ... + 14881832.

It is an arithmetic number, because the mean of its divisors is an integer number (535743432).

Almost surely, 2^2113210133 is an apocalyptic number.

It is an amenable number.

2113210133 is a deficient number, since it is larger than the sum of its proper divisors (29763595).

2113210133 is an equidigital number, since it uses as much as digits as its factorization.

2113210133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29763594.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2113210133 is about 45969.6653566240. The cubic root of 2113210133 is about 1283.2587321264.

Adding to 2113210133 its reverse (3310123112), we get a palindrome (5423333245).

The spelling of 2113210133 in words is "two billion, one hundred thirteen million, two hundred ten thousand, one hundred thirty-three".