121333231337 has 2 divisors, whose sum is σ = 121333231338. Its totient is φ = 121333231336.

The previous prime is 121333231301. The next prime is 121333231339. The reversal of 121333231337 is 733132333121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96578614441 + 24754616896 = 310771^2 + 157336^2 .

It is a cyclic number.

It is not a de Polignac number, because 121333231337 - 2³² = 117038264041 is a prime.

Together with 121333231339, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (121333231339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60666615668 + 60666615669.

It is an arithmetic number, because the mean of its divisors is an integer number (60666615669).

Almost surely, 2^121333231337 is an apocalyptic number.

It is an amenable number.

121333231337 is a deficient number, since it is larger than the sum of its proper divisors (1).

121333231337 is an equidigital number, since it uses as much as digits as its factorization.

121333231337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412, while the sum is 32.

Adding to 121333231337 its reverse (733132333121), we get a palindrome (854465564458).

The spelling of 121333231337 in words is "one hundred twenty-one billion, three hundred thirty-three million, two hundred thirty-one thousand, three hundred thirty-seven".