113311320202121 has 2 divisors, whose sum is σ = 113311320202122. Its totient is φ = 113311320202120.

The previous prime is 113311320202079. The next prime is 113311320202133. The reversal of 113311320202121 is 121202023113311.

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., 89695957932025 + 23615362270096 = 9470795^2 + 4859564^2 .

It is a cyclic number.

It is not a de Polignac number, because 113311320202121 - 2⁶ = 113311320202057 is a prime.

It is not a weakly prime, because it can be changed into another prime (113311320202141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56655660101060 + 56655660101061.

It is an arithmetic number, because the mean of its divisors is an integer number (56655660101061).

Almost surely, 2^{113311320202121} is an apocalyptic number.

It is an amenable number.

113311320202121 is a deficient number, since it is larger than the sum of its proper divisors (1).

113311320202121 is an equidigital number, since it uses as much as digits as its factorization.

113311320202121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 113311320202121 its reverse (121202023113311), we get a palindrome (234513343315432).

The spelling of 113311320202121 in words is "one hundred thirteen trillion, three hundred eleven billion, three hundred twenty million, two hundred two thousand, one hundred twenty-one".