2122211123 has 4 divisors (see below), whose sum is σ = 2133322368. Its totient is φ = 2111099880.

The previous prime is 2122211111. The next prime is 2122211129. The reversal of 2122211123 is 3211122212.

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 2122211123 - 2⁶ = 2122211059 is a prime.

It is a super-2 number, since 2×2122211123² = 9007560101169842258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122211129) 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, 5555336 + ... + 5555717.

It is an arithmetic number, because the mean of its divisors is an integer number (533330592).

Almost surely, 2^2122211123 is an apocalyptic number.

2122211123 is a deficient number, since it is larger than the sum of its proper divisors (11111245).

2122211123 is a wasteful number, since it uses less digits than its factorization.

2122211123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11111244.

The product of its digits is 96, while the sum is 17.

The square root of 2122211123 is about 46067.4627367299. The cubic root of 2122211123 is about 1285.0781186643.

Adding to 2122211123 its reverse (3211122212), we get a palindrome (5333333335).

The spelling of 2122211123 in words is "two billion, one hundred twenty-two million, two hundred eleven thousand, one hundred twenty-three".