121333512231255 has 8 divisors (see below), whose sum is σ = 194133619570032. Its totient is φ = 64711206523328.

The previous prime is 121333512231251. The next prime is 121333512231257. The reversal of 121333512231255 is 552132215333121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121333512231255 - 2² = 121333512231251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121333512231251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4044450407694 + ... + 4044450407723.

It is an arithmetic number, because the mean of its divisors is an integer number (24266702446254).

Almost surely, 2^{121333512231255} is an apocalyptic number.

121333512231255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121333512231255 is a deficient number, since it is larger than the sum of its proper divisors (72800107338777).

121333512231255 is an equidigital number, since it uses as much as digits as its factorization.

121333512231255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8088900815425.

The product of its digits is 162000, while the sum is 39.

Adding to 121333512231255 its reverse (552132215333121), we get a palindrome (673465727564376).

The spelling of 121333512231255 in words is "one hundred twenty-one trillion, three hundred thirty-three billion, five hundred twelve million, two hundred thirty-one thousand, two hundred fifty-five".