22331131121 has 8 divisors (see below), whose sum is σ = 24051175680. Its totient is φ = 20611410192.

The previous prime is 22331131117. The next prime is 22331131241. The reversal of 22331131121 is 12113113322.

It is a happy number.

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 22331131121 - 2² = 22331131117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22331131093 and 22331131102.

It is not an unprimeable number, because it can be changed into a prime (22331131321) 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, 73310 + ... + 223688.

It is an arithmetic number, because the mean of its divisors is an integer number (3006396960).

Almost surely, 2^22331131121 is an apocalyptic number.

It is an amenable number.

22331131121 is a deficient number, since it is larger than the sum of its proper divisors (1720044559).

22331131121 is a wasteful number, since it uses less digits than its factorization.

22331131121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161815.

The product of its digits is 216, while the sum is 20.

Adding to 22331131121 its reverse (12113113322), we get a palindrome (34444244443).

The spelling of 22331131121 in words is "twenty-two billion, three hundred thirty-one million, one hundred thirty-one thousand, one hundred twenty-one".