121303001311 has 2 divisors, whose sum is σ = 121303001312. Its totient is φ = 121303001310.

The previous prime is 121303001297. The next prime is 121303001317. The reversal of 121303001311 is 113100303121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121303001311 - 2¹⁵ = 121302968543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121303001317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60651500655 + 60651500656.

It is an arithmetic number, because the mean of its divisors is an integer number (60651500656).

Almost surely, 2^121303001311 is an apocalyptic number.

121303001311 is a deficient number, since it is larger than the sum of its proper divisors (1).

121303001311 is an equidigital number, since it uses as much as digits as its factorization.

121303001311 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 121303001311 its reverse (113100303121), we get a palindrome (234403304432).

The spelling of 121303001311 in words is "one hundred twenty-one billion, three hundred three million, one thousand, three hundred eleven".