112222111031 has 2 divisors, whose sum is σ = 112222111032. Its totient is φ = 112222111030.

The previous prime is 112222110997. The next prime is 112222111087. The reversal of 112222111031 is 130111222211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112222111031 is a prime.

It is a super-2 number, since 2×112222111031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112222111231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56111055515 + 56111055516.

It is an arithmetic number, because the mean of its divisors is an integer number (56111055516).

Almost surely, 2^112222111031 is an apocalyptic number.

112222111031 is a deficient number, since it is larger than the sum of its proper divisors (1).

112222111031 is an equidigital number, since it uses as much as digits as its factorization.

112222111031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 112222111031 its reverse (130111222211), we get a palindrome (242333333242).

The spelling of 112222111031 in words is "one hundred twelve billion, two hundred twenty-two million, one hundred eleven thousand, thirty-one".