331221341121 has 32 divisors (see below), whose sum is σ = 498472206336. Its totient is φ = 193813728000.

The previous prime is 331221341107. The next prime is 331221341179. The reversal of 331221341121 is 121143122133.

It is not a de Polignac number, because 331221341121 - 2⁷ = 331221340993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331221341091 and 331221341100.

It is not an unprimeable number, because it can be changed into a prime (331221381121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65305 + ... + 816521.

It is an arithmetic number, because the mean of its divisors is an integer number (15577256448).

Almost surely, 2^331221341121 is an apocalyptic number.

331221341121 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

331221341121 is a deficient number, since it is larger than the sum of its proper divisors (167250865215).

331221341121 is a wasteful number, since it uses less digits than its factorization.

331221341121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751693.

The product of its digits is 864, while the sum is 24.

Adding to 331221341121 its reverse (121143122133), we get a palindrome (452364463254).

The spelling of 331221341121 in words is "three hundred thirty-one billion, two hundred twenty-one million, three hundred forty-one thousand, one hundred twenty-one".