2222211023231 has 2 divisors, whose sum is σ = 2222211023232. Its totient is φ = 2222211023230.

The previous prime is 2222211023213. The next prime is 2222211023257. The reversal of 2222211023231 is 1323201122222.

It is a happy number.

Together with previous prime (2222211023213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2222211023231 - 2²² = 2222206828927 is a prime.

It is a super-2 number, since 2×2222211023231² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2222211023197 and 2222211023206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222211023281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111105511615 + 1111105511616.

It is an arithmetic number, because the mean of its divisors is an integer number (1111105511616).

Almost surely, 2^{2222211023231} is an apocalyptic number.

2222211023231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222211023231 is an equidigital number, since it uses as much as digits as its factorization.

2222211023231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2222211023231 its reverse (1323201122222), we get a palindrome (3545412145453).

The spelling of 2222211023231 in words is "two trillion, two hundred twenty-two billion, two hundred eleven million, twenty-three thousand, two hundred thirty-one".