22131123329 has 8 divisors (see below), whose sum is σ = 25639188480. Its totient is φ = 18709677216.

The previous prime is 22131123317. The next prime is 22131123331. The reversal of 22131123329 is 92332113122.

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

It is a cyclic number.

It is not a de Polignac number, because 22131123329 - 2¹² = 22131119233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22131123349) 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, 21654209 + ... + 21655230.

It is an arithmetic number, because the mean of its divisors is an integer number (3204898560).

Almost surely, 2^22131123329 is an apocalyptic number.

It is an amenable number.

22131123329 is a deficient number, since it is larger than the sum of its proper divisors (3508065151).

22131123329 is an equidigital number, since it uses as much as digits as its factorization.

22131123329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43309519.

The product of its digits is 3888, while the sum is 29.

The spelling of 22131123329 in words is "twenty-two billion, one hundred thirty-one million, one hundred twenty-three thousand, three hundred twenty-nine".