1112220031271 has 2 divisors, whose sum is σ = 1112220031272. Its totient is φ = 1112220031270.

The previous prime is 1112220031261. The next prime is 1112220031327. The reversal of 1112220031271 is 1721300222111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1112220031271 - 2¹⁰ = 1112220030247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112220031211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556110015635 + 556110015636.

It is an arithmetic number, because the mean of its divisors is an integer number (556110015636).

Almost surely, 2^{1112220031271} is an apocalyptic number.

1112220031271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112220031271 is an equidigital number, since it uses as much as digits as its factorization.

1112220031271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 23.

Adding to 1112220031271 its reverse (1721300222111), we get a palindrome (2833520253382).

The spelling of 1112220031271 in words is "one trillion, one hundred twelve billion, two hundred twenty million, thirty-one thousand, two hundred seventy-one".