22123311142 has 16 divisors (see below), whose sum is σ = 34357968000. Its totient is φ = 10671292800.

The previous prime is 22123311137. The next prime is 22123311209. The reversal of 22123311142 is 24111332122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89142 + ... + 228457.

It is an arithmetic number, because the mean of its divisors is an integer number (2147373000).

Almost surely, 2^22123311142 is an apocalyptic number.

22123311142 is a deficient number, since it is larger than the sum of its proper divisors (12234656858).

22123311142 is a wasteful number, since it uses less digits than its factorization.

22123311142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318831.

The product of its digits is 576, while the sum is 22.

Adding to 22123311142 its reverse (24111332122), we get a palindrome (46234643264).

The spelling of 22123311142 in words is "twenty-two billion, one hundred twenty-three million, three hundred eleven thousand, one hundred forty-two".