112342012145221 has 2 divisors, whose sum is σ = 112342012145222. Its totient is φ = 112342012145220.

The previous prime is 112342012145201. The next prime is 112342012145309. The reversal of 112342012145221 is 122541210243211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60692061641121 + 51649950504100 = 7790511^2 + 7186790^2 .

It is a cyclic number.

It is not a de Polignac number, because 112342012145221 - 2³¹ = 112339864661573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112342012145201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56171006072610 + 56171006072611.

It is an arithmetic number, because the mean of its divisors is an integer number (56171006072611).

Almost surely, 2^{112342012145221} is an apocalyptic number.

It is an amenable number.

112342012145221 is a deficient number, since it is larger than the sum of its proper divisors (1).

112342012145221 is an equidigital number, since it uses as much as digits as its factorization.

112342012145221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 31.

Adding to 112342012145221 its reverse (122541210243211), we get a palindrome (234883222388432).

The spelling of 112342012145221 in words is "one hundred twelve trillion, three hundred forty-two billion, twelve million, one hundred forty-five thousand, two hundred twenty-one".