112101221231 has 2 divisors, whose sum is σ = 112101221232. Its totient is φ = 112101221230.

The previous prime is 112101221201. The next prime is 112101221293. The reversal of 112101221231 is 132122101211.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (132122101211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112101221231 - 2²² = 112097026927 is a prime.

It is a super-2 number, since 2×112101221231² (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 (112101221201) 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, 56050610615 + 56050610616.

It is an arithmetic number, because the mean of its divisors is an integer number (56050610616).

Almost surely, 2^112101221231 is an apocalyptic number.

112101221231 is a deficient number, since it is larger than the sum of its proper divisors (1).

112101221231 is an equidigital number, since it uses as much as digits as its factorization.

112101221231 is an odious number, because the sum of its binary digits is odd.

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

Adding to 112101221231 its reverse (132122101211), we get a palindrome (244223322442).

The spelling of 112101221231 in words is "one hundred twelve billion, one hundred one million, two hundred twenty-one thousand, two hundred thirty-one".