121000111323319 has 2 divisors, whose sum is σ = 121000111323320. Its totient is φ = 121000111323318.

The previous prime is 121000111323283. The next prime is 121000111323323. The reversal of 121000111323319 is 913323111000121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121000111323319 - 2⁴⁵ = 85815739234487 is a prime.

It is a super-2 number, since 2×121000111323319² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121000111323419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60500055661659 + 60500055661660.

It is an arithmetic number, because the mean of its divisors is an integer number (60500055661660).

Almost surely, 2^{121000111323319} is an apocalyptic number.

121000111323319 is a deficient number, since it is larger than the sum of its proper divisors (1).

121000111323319 is an equidigital number, since it uses as much as digits as its factorization.

121000111323319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 28.

The spelling of 121000111323319 in words is "one hundred twenty-one trillion, one hundred eleven million, three hundred twenty-three thousand, three hundred nineteen".