2122221110231 has 2 divisors, whose sum is σ = 2122221110232. Its totient is φ = 2122221110230.

The previous prime is 2122221110153. The next prime is 2122221110263. The reversal of 2122221110231 is 1320111222212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2122221110231 - 2¹⁴ = 2122221093847 is a prime.

It is a super-2 number, since 2×2122221110231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122221110291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061110555115 + 1061110555116.

It is an arithmetic number, because the mean of its divisors is an integer number (1061110555116).

Almost surely, 2^{2122221110231} is an apocalyptic number.

2122221110231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122221110231 is an equidigital number, since it uses as much as digits as its factorization.

2122221110231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 2122221110231 its reverse (1320111222212), we get a palindrome (3442332332443).

The spelling of 2122221110231 in words is "two trillion, one hundred twenty-two billion, two hundred twenty-one million, one hundred ten thousand, two hundred thirty-one".