2113121431301 has 2 divisors, whose sum is σ = 2113121431302. Its totient is φ = 2113121431300.

The previous prime is 2113121431277. The next prime is 2113121431307. The reversal of 2113121431301 is 1031341213112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2015746852900 + 97374578401 = 1419770^2 + 312049^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2113121431301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2113121431307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056560715650 + 1056560715651.

It is an arithmetic number, because the mean of its divisors is an integer number (1056560715651).

Almost surely, 2^{2113121431301} is an apocalyptic number.

It is an amenable number.

2113121431301 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113121431301 is an equidigital number, since it uses as much as digits as its factorization.

2113121431301 is an odious number, because the sum of its binary digits is odd.

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

Adding to 2113121431301 its reverse (1031341213112), we get a palindrome (3144462644413).

The spelling of 2113121431301 in words is "two trillion, one hundred thirteen billion, one hundred twenty-one million, four hundred thirty-one thousand, three hundred one".