121154432313311 has 2 divisors, whose sum is σ = 121154432313312. Its totient is φ = 121154432313310.

The previous prime is 121154432313253. The next prime is 121154432313319. The reversal of 121154432313311 is 113313234451121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121154432313311 - 2⁶ = 121154432313247 is a prime.

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 (121154432313319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60577216156655 + 60577216156656.

It is an arithmetic number, because the mean of its divisors is an integer number (60577216156656).

Almost surely, 2^{121154432313311} is an apocalyptic number.

121154432313311 is a deficient number, since it is larger than the sum of its proper divisors (1).

121154432313311 is an equidigital number, since it uses as much as digits as its factorization.

121154432313311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 35.

Adding to 121154432313311 its reverse (113313234451121), we get a palindrome (234467666764432).

The spelling of 121154432313311 in words is "one hundred twenty-one trillion, one hundred fifty-four billion, four hundred thirty-two million, three hundred thirteen thousand, three hundred eleven".