22211121112331 has 2 divisors, whose sum is σ = 22211121112332. Its totient is φ = 22211121112330.

The previous prime is 22211121112307. The next prime is 22211121112339. The reversal of 22211121112331 is 13321112111222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22211121112331 - 2¹⁰ = 22211121111307 is a prime.

It is a super-2 number, since 2×22211121112331² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22211121112297 and 22211121112306.

It is not a weakly prime, because it can be changed into another prime (22211121112339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11105560556165 + 11105560556166.

It is an arithmetic number, because the mean of its divisors is an integer number (11105560556166).

Almost surely, 2^{22211121112331} is an apocalyptic number.

22211121112331 is a deficient number, since it is larger than the sum of its proper divisors (1).

22211121112331 is an equidigital number, since it uses as much as digits as its factorization.

22211121112331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 23.

Adding to 22211121112331 its reverse (13321112111222), we get a palindrome (35532233223553).

The spelling of 22211121112331 in words is "twenty-two trillion, two hundred eleven billion, one hundred twenty-one million, one hundred twelve thousand, three hundred thirty-one".