121533343319 has 2 divisors, whose sum is σ = 121533343320. Its totient is φ = 121533343318.

The previous prime is 121533343291. The next prime is 121533343343. The reversal of 121533343319 is 913343335121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121533343319 is a prime.

It is a super-2 number, since 2×121533343319² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121533343619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60766671659 + 60766671660.

It is an arithmetic number, because the mean of its divisors is an integer number (60766671660).

Almost surely, 2^121533343319 is an apocalyptic number.

121533343319 is a deficient number, since it is larger than the sum of its proper divisors (1).

121533343319 is an equidigital number, since it uses as much as digits as its factorization.

121533343319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 38.

The spelling of 121533343319 in words is "one hundred twenty-one billion, five hundred thirty-three million, three hundred forty-three thousand, three hundred nineteen".