22133120231 has 2 divisors, whose sum is σ = 22133120232. Its totient is φ = 22133120230.

The previous prime is 22133120221. The next prime is 22133120249. The reversal of 22133120231 is 13202133122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22133120231 - 2²² = 22128925927 is a prime.

It is a super-2 number, since 2×22133120231² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22133120221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11066560115 + 11066560116.

It is an arithmetic number, because the mean of its divisors is an integer number (11066560116).

Almost surely, 2^22133120231 is an apocalyptic number.

22133120231 is a deficient number, since it is larger than the sum of its proper divisors (1).

22133120231 is an equidigital number, since it uses as much as digits as its factorization.

22133120231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22133120231 its reverse (13202133122), we get a palindrome (35335253353).

The spelling of 22133120231 in words is "twenty-two billion, one hundred thirty-three million, one hundred twenty thousand, two hundred thirty-one".