121113300137 has 2 divisors, whose sum is σ = 121113300138. Its totient is φ = 121113300136.

The previous prime is 121113300101. The next prime is 121113300151. The reversal of 121113300137 is 731003311121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104887890496 + 16225409641 = 323864^2 + 127379^2 .

It is an emirp because it is prime and its reverse (731003311121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121113300137 is a prime.

It is not a weakly prime, because it can be changed into another prime (121113300167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60556650068 + 60556650069.

It is an arithmetic number, because the mean of its divisors is an integer number (60556650069).

Almost surely, 2^121113300137 is an apocalyptic number.

It is an amenable number.

121113300137 is a deficient number, since it is larger than the sum of its proper divisors (1).

121113300137 is an equidigital number, since it uses as much as digits as its factorization.

121113300137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 23.

Adding to 121113300137 its reverse (731003311121), we get a palindrome (852116611258).

The spelling of 121113300137 in words is "one hundred twenty-one billion, one hundred thirteen million, three hundred thousand, one hundred thirty-seven".