22331421123 has 16 divisors (see below), whose sum is σ = 32488473600. Its totient is φ = 13531525280.

The previous prime is 22331421103. The next prime is 22331421139. The reversal of 22331421123 is 32112413322.

It is a cyclic number.

It is not a de Polignac number, because 22331421123 - 2⁶ = 22331421059 is a prime.

It is a super-2 number, since 2×22331421123² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22331421093 and 22331421102.

It is not an unprimeable number, because it can be changed into a prime (22331421103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110113 + ... + 238301.

It is an arithmetic number, because the mean of its divisors is an integer number (2030529600).

Almost surely, 2^22331421123 is an apocalyptic number.

22331421123 is a deficient number, since it is larger than the sum of its proper divisors (10157052477).

22331421123 is a wasteful number, since it uses less digits than its factorization.

22331421123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133482.

The product of its digits is 1728, while the sum is 24.

Adding to 22331421123 its reverse (32112413322), we get a palindrome (54443834445).

The spelling of 22331421123 in words is "twenty-two billion, three hundred thirty-one million, four hundred twenty-one thousand, one hundred twenty-three".