113121130003121 has 2 divisors, whose sum is σ = 113121130003122. Its totient is φ = 113121130003120.

The previous prime is 113121130003111. The next prime is 113121130003157. The reversal of 113121130003121 is 121300031121311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113071088313121 + 50041690000 = 10633489^2 + 223700^2 .

It is a cyclic number.

It is not a de Polignac number, because 113121130003121 - 2¹⁴ = 113121129986737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113121130003093 and 113121130003102.

It is not a weakly prime, because it can be changed into another prime (113121130003111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56560565001560 + 56560565001561.

It is an arithmetic number, because the mean of its divisors is an integer number (56560565001561).

Almost surely, 2^{113121130003121} is an apocalyptic number.

It is an amenable number.

113121130003121 is a deficient number, since it is larger than the sum of its proper divisors (1).

113121130003121 is an equidigital number, since it uses as much as digits as its factorization.

113121130003121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 113121130003121 its reverse (121300031121311), we get a palindrome (234421161124432).

The spelling of 113121130003121 in words is "one hundred thirteen trillion, one hundred twenty-one billion, one hundred thirty million, three thousand, one hundred twenty-one".