112231131121 has 2 divisors, whose sum is σ = 112231131122. Its totient is φ = 112231131120.

The previous prime is 112231131113. The next prime is 112231131127. The reversal of 112231131121 is 121131132211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100580951025 + 11650180096 = 317145^2 + 107936^2 .

It is a cyclic number.

It is not a de Polignac number, because 112231131121 - 2³ = 112231131113 is a prime.

It is not a weakly prime, because it can be changed into another prime (112231131127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56115565560 + 56115565561.

It is an arithmetic number, because the mean of its divisors is an integer number (56115565561).

Almost surely, 2^112231131121 is an apocalyptic number.

It is an amenable number.

112231131121 is a deficient number, since it is larger than the sum of its proper divisors (1).

112231131121 is an equidigital number, since it uses as much as digits as its factorization.

112231131121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72, while the sum is 19.

Adding to 112231131121 its reverse (121131132211), we get a palindrome (233362263332).

The spelling of 112231131121 in words is "one hundred twelve billion, two hundred thirty-one million, one hundred thirty-one thousand, one hundred twenty-one".