2220131123 has 16 divisors (see below), whose sum is σ = 2643646464. Its totient is φ = 1824353280.

The previous prime is 2220131117. The next prime is 2220131129. The reversal of 2220131123 is 3211310222.

It is an interprime number because it is at equal distance from previous prime (2220131117) and next prime (2220131129).

It is a cyclic number.

It is not a de Polignac number, because 2220131123 - 2⁴ = 2220131107 is a prime.

It is a super-2 number, since 2×2220131123² = 9857964406626482258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220131129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24590 + ... + 71027.

It is an arithmetic number, because the mean of its divisors is an integer number (165227904).

Almost surely, 2^2220131123 is an apocalyptic number.

2220131123 is a deficient number, since it is larger than the sum of its proper divisors (423515341).

2220131123 is a wasteful number, since it uses less digits than its factorization.

2220131123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95762.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2220131123 is about 47118.2674023568. The cubic root of 2220131123 is about 1304.5464330995.

Adding to 2220131123 its reverse (3211310222), we get a palindrome (5431441345).

The spelling of 2220131123 in words is "two billion, two hundred twenty million, one hundred thirty-one thousand, one hundred twenty-three".