112012221331 has 2 divisors, whose sum is σ = 112012221332. Its totient is φ = 112012221330.

The previous prime is 112012221329. The next prime is 112012221337. The reversal of 112012221331 is 133122210211.

It is a weak prime.

It is an emirp because it is prime and its reverse (133122210211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112012221331 - 2¹ = 112012221329 is a prime.

It is a super-2 number, since 2×112012221331² (a number of 23 digits) contains 22 as substring.

Together with 112012221329, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 112012221299 and 112012221308.

It is not a weakly prime, because it can be changed into another prime (112012221337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56006110665 + 56006110666.

It is an arithmetic number, because the mean of its divisors is an integer number (56006110666).

Almost surely, 2^112012221331 is an apocalyptic number.

112012221331 is a deficient number, since it is larger than the sum of its proper divisors (1).

112012221331 is an equidigital number, since it uses as much as digits as its factorization.

112012221331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 112012221331 its reverse (133122210211), we get a palindrome (245134431542).

The spelling of 112012221331 in words is "one hundred twelve billion, twelve million, two hundred twenty-one thousand, three hundred thirty-one".