121331001301 has 2 divisors, whose sum is σ = 121331001302. Its totient is φ = 121331001300.

The previous prime is 121331001247. The next prime is 121331001329. The reversal of 121331001301 is 103100133121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106668213201 + 14662788100 = 326601^2 + 121090^2 .

It is a cyclic number.

It is not a de Polignac number, because 121331001301 - 2¹¹ = 121330999253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121331001601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60665500650 + 60665500651.

It is an arithmetic number, because the mean of its divisors is an integer number (60665500651).

Almost surely, 2^121331001301 is an apocalyptic number.

It is an amenable number.

121331001301 is a deficient number, since it is larger than the sum of its proper divisors (1).

121331001301 is an equidigital number, since it uses as much as digits as its factorization.

121331001301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 121331001301 its reverse (103100133121), we get a palindrome (224431134422).

The spelling of 121331001301 in words is "one hundred twenty-one billion, three hundred thirty-one million, one thousand, three hundred one".