113212222045121 has 2 divisors, whose sum is σ = 113212222045122. Its totient is φ = 113212222045120.

The previous prime is 113212222045081. The next prime is 113212222045147. The reversal of 113212222045121 is 121540222212311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57120885002896 + 56091337042225 = 7557836^2 + 7489415^2 .

It is a cyclic number.

It is not a de Polignac number, because 113212222045121 - 2⁴² = 108814175534017 is a prime.

It is not a weakly prime, because it can be changed into another prime (113212222045171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56606111022560 + 56606111022561.

It is an arithmetic number, because the mean of its divisors is an integer number (56606111022561).

Almost surely, 2^{113212222045121} is an apocalyptic number.

It is an amenable number.

113212222045121 is a deficient number, since it is larger than the sum of its proper divisors (1).

113212222045121 is an equidigital number, since it uses as much as digits as its factorization.

113212222045121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 29.

Adding to 113212222045121 its reverse (121540222212311), we get a palindrome (234752444257432).

The spelling of 113212222045121 in words is "one hundred thirteen trillion, two hundred twelve billion, two hundred twenty-two million, forty-five thousand, one hundred twenty-one".