2113322111 has 4 divisors (see below), whose sum is σ = 2181493824. Its totient is φ = 2045150400.

The previous prime is 2113322093. The next prime is 2113322119. The reversal of 2113322111 is 1112233112.

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

It is a cyclic number.

It is not a de Polignac number, because 2113322111 - 2¹⁸ = 2113059967 is a prime.

It is a super-2 number, since 2×2113322111² = 8932260689682992642, which contains 22 as substring.

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 2113322111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113322119) 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, 34085810 + ... + 34085871.

It is an arithmetic number, because the mean of its divisors is an integer number (545373456).

Almost surely, 2^2113322111 is an apocalyptic number.

2113322111 is a deficient number, since it is larger than the sum of its proper divisors (68171713).

2113322111 is an equidigital number, since it uses as much as digits as its factorization.

2113322111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68171712.

The product of its digits is 72, while the sum is 17.

The square root of 2113322111 is about 45970.8832958428. The cubic root of 2113322111 is about 1283.2813981494.

Adding to 2113322111 its reverse (1112233112), we get a palindrome (3225555223).

The spelling of 2113322111 in words is "two billion, one hundred thirteen million, three hundred twenty-two thousand, one hundred eleven".