13701370121 has 2 divisors, whose sum is σ = 13701370122. Its totient is φ = 13701370120.

The previous prime is 13701370103. The next prime is 13701370129. The reversal of 13701370121 is 12107310731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10776723721 + 2924646400 = 103811^2 + 54080^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13701370121 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13701370129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6850685060 + 6850685061.

It is an arithmetic number, because the mean of its divisors is an integer number (6850685061).

Almost surely, 2^13701370121 is an apocalyptic number.

It is an amenable number.

13701370121 is a deficient number, since it is larger than the sum of its proper divisors (1).

13701370121 is an equidigital number, since it uses as much as digits as its factorization.

13701370121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 882, while the sum is 26.

Adding to 13701370121 its reverse (12107310731), we get a palindrome (25808680852).

The spelling of 13701370121 in words is "thirteen billion, seven hundred one million, three hundred seventy thousand, one hundred twenty-one".