121320301302311 has 2 divisors, whose sum is σ = 121320301302312. Its totient is φ = 121320301302310.

The previous prime is 121320301302269. The next prime is 121320301302323. The reversal of 121320301302311 is 113203103023121.

It is a strong prime.

It is an emirp because it is prime and its reverse (113203103023121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121320301302311 - 2⁴⁶ = 50951557124647 is a prime.

It is a super-2 number, since 2×121320301302311² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121320301302611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60660150651155 + 60660150651156.

It is an arithmetic number, because the mean of its divisors is an integer number (60660150651156).

Almost surely, 2^{121320301302311} is an apocalyptic number.

121320301302311 is a deficient number, since it is larger than the sum of its proper divisors (1).

121320301302311 is an equidigital number, since it uses as much as digits as its factorization.

121320301302311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 121320301302311 its reverse (113203103023121), we get a palindrome (234523404325432).

The spelling of 121320301302311 in words is "one hundred twenty-one trillion, three hundred twenty billion, three hundred one million, three hundred two thousand, three hundred eleven".