331221121000122 has 16 divisors (see below), whose sum is σ = 662444147625120. Its totient is φ = 110406722729232.

The previous prime is 331221121000103. The next prime is 331221121000151. The reversal of 331221121000122 is 221000121122133.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77136508 + ... + 81317175.

It is an arithmetic number, because the mean of its divisors is an integer number (41402759226570).

Almost surely, 2^{331221121000122} is an apocalyptic number.

331221121000122 is an abundant number, since it is smaller than the sum of its proper divisors (331223026624998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331221121000122 is a wasteful number, since it uses less digits than its factorization.

331221121000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158802077.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 331221121000122 its reverse (221000121122133), we get a palindrome (552221242122255).

The spelling of 331221121000122 in words is "three hundred thirty-one trillion, two hundred twenty-one billion, one hundred twenty-one million, one hundred twenty-two", and thus it is an aban number.