1110212111231 has 2 divisors, whose sum is σ = 1110212111232. Its totient is φ = 1110212111230.

The previous prime is 1110212111171. The next prime is 1110212111233. The reversal of 1110212111231 is 1321112120111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1110212111231 - 2³⁴ = 1093032242047 is a prime.

It is a super-2 number, since 2×1110212111231² (a number of 25 digits) contains 22 as substring.

Together with 1110212111233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110212111233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555106055615 + 555106055616.

It is an arithmetic number, because the mean of its divisors is an integer number (555106055616).

Almost surely, 2^{1110212111231} is an apocalyptic number.

1110212111231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110212111231 is an equidigital number, since it uses as much as digits as its factorization.

1110212111231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 1110212111231 its reverse (1321112120111), we get a palindrome (2431324231342).

The spelling of 1110212111231 in words is "one trillion, one hundred ten billion, two hundred twelve million, one hundred eleven thousand, two hundred thirty-one".