2113120011 has 8 divisors (see below), whose sum is σ = 2817710800. Its totient is φ = 1408637952.

The previous prime is 2113120007. The next prime is 2113120021. The reversal of 2113120011 is 1100213112.

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

It is not a de Polignac number, because 2113120011 - 2² = 2113120007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113120021) 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, 47415 + ... + 80463.

It is an arithmetic number, because the mean of its divisors is an integer number (352213850).

Almost surely, 2^2113120011 is an apocalyptic number.

2113120011 is a deficient number, since it is larger than the sum of its proper divisors (704590789).

2113120011 is a wasteful number, since it uses less digits than its factorization.

2113120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54365.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 2113120011 is about 45968.6851128026. The cubic root of 2113120011 is about 1283.2404895034.

Adding to 2113120011 its reverse (1100213112), we get a palindrome (3213333123).

The spelling of 2113120011 in words is "two billion, one hundred thirteen million, one hundred twenty thousand, eleven".