22131111231123 has 8 divisors (see below), whose sum is σ = 31243921738128. Its totient is φ = 13886187439104.

The previous prime is 22131111231113. The next prime is 22131111231137. The reversal of 22131111231123 is 32113211113122.

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

It is not a de Polignac number, because 22131111231123 - 2⁵ = 22131111231091 is a prime.

It is a super-2 number, since 2×22131111231123² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22131111231093 and 22131111231102.

It is not an unprimeable number, because it can be changed into a prime (22131111231113) 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, 216971678686 + ... + 216971678787.

It is an arithmetic number, because the mean of its divisors is an integer number (3905490217266).

Almost surely, 2^{22131111231123} is an apocalyptic number.

22131111231123 is a deficient number, since it is larger than the sum of its proper divisors (9112810507005).

22131111231123 is a wasteful number, since it uses less digits than its factorization.

22131111231123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433943357493.

The product of its digits is 432, while the sum is 24.

Adding to 22131111231123 its reverse (32113211113122), we get a palindrome (54244322344245).

The spelling of 22131111231123 in words is "twenty-two trillion, one hundred thirty-one billion, one hundred eleven million, two hundred thirty-one thousand, one hundred twenty-three".