113121420302213 has 2 divisors, whose sum is σ = 113121420302214. Its totient is φ = 113121420302212.

The previous prime is 113121420301999. The next prime is 113121420302227. The reversal of 113121420302213 is 312203024121311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81163846773604 + 31957573528609 = 9009098^2 + 5653103^2 .

It is a cyclic number.

It is not a de Polignac number, because 113121420302213 - 2²⁶ = 113121353193349 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113121420302713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56560710151106 + 56560710151107.

It is an arithmetic number, because the mean of its divisors is an integer number (56560710151107).

Almost surely, 2^{113121420302213} is an apocalyptic number.

It is an amenable number.

113121420302213 is a deficient number, since it is larger than the sum of its proper divisors (1).

113121420302213 is an equidigital number, since it uses as much as digits as its factorization.

113121420302213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 113121420302213 its reverse (312203024121311), we get a palindrome (425324444423524).

The spelling of 113121420302213 in words is "one hundred thirteen trillion, one hundred twenty-one billion, four hundred twenty million, three hundred two thousand, two hundred thirteen".