113212212353 has 2 divisors, whose sum is σ = 113212212354. Its totient is φ = 113212212352.

The previous prime is 113212212227. The next prime is 113212212383. The reversal of 113212212353 is 353212212311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112740149824 + 472062529 = 335768^2 + 21727^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113212212353 is a prime.

It is not a weakly prime, because it can be changed into another prime (113212212383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56606106176 + 56606106177.

It is an arithmetic number, because the mean of its divisors is an integer number (56606106177).

Almost surely, 2^113212212353 is an apocalyptic number.

It is an amenable number.

113212212353 is a deficient number, since it is larger than the sum of its proper divisors (1).

113212212353 is an equidigital number, since it uses as much as digits as its factorization.

113212212353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 26.

Adding to 113212212353 its reverse (353212212311), we get a palindrome (466424424664).

The spelling of 113212212353 in words is "one hundred thirteen billion, two hundred twelve million, two hundred twelve thousand, three hundred fifty-three".