112221312311 has 2 divisors, whose sum is σ = 112221312312. Its totient is φ = 112221312310.

The previous prime is 112221312299. The next prime is 112221312331. The reversal of 112221312311 is 113213122211.

It is an a-pointer prime, because the next prime (112221312331) can be obtained adding 112221312311 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112221312311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112221312331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56110656155 + 56110656156.

It is an arithmetic number, because the mean of its divisors is an integer number (56110656156).

Almost surely, 2^112221312311 is an apocalyptic number.

112221312311 is a deficient number, since it is larger than the sum of its proper divisors (1).

112221312311 is an equidigital number, since it uses as much as digits as its factorization.

112221312311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 20.

Adding to 112221312311 its reverse (113213122211), we get a palindrome (225434434522).

The spelling of 112221312311 in words is "one hundred twelve billion, two hundred twenty-one million, three hundred twelve thousand, three hundred eleven".