121082318331 has 32 divisors (see below), whose sum is σ = 175762288128. Its totient is φ = 73698647040.

The previous prime is 121082318303. The next prime is 121082318351. The reversal of 121082318331 is 133813280121.

It is a happy number.

It is not a de Polignac number, because 121082318331 - 2⁹ = 121082317819 is a prime.

It is a super-2 number, since 2×121082318331² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121082318292 and 121082318301.

It is not an unprimeable number, because it can be changed into a prime (121082318351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6751266 + ... + 6769176.

It is an arithmetic number, because the mean of its divisors is an integer number (5492571504).

Almost surely, 2^121082318331 is an apocalyptic number.

121082318331 is a deficient number, since it is larger than the sum of its proper divisors (54679969797).

121082318331 is a wasteful number, since it uses less digits than its factorization.

121082318331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19811.

The product of its (nonzero) digits is 6912, while the sum is 33.

Adding to 121082318331 its reverse (133813280121), we get a palindrome (254895598452).

The spelling of 121082318331 in words is "one hundred twenty-one billion, eighty-two million, three hundred eighteen thousand, three hundred thirty-one".