331221131222 has 8 divisors (see below), whose sum is σ = 513963824400. Its totient is φ = 159899856424.

The previous prime is 331221131207. The next prime is 331221131231. The reversal of 331221131222 is 222131122133.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2855354522 + ... + 2855354637.

It is an arithmetic number, because the mean of its divisors is an integer number (64245478050).

Almost surely, 2^331221131222 is an apocalyptic number.

331221131222 is a deficient number, since it is larger than the sum of its proper divisors (182742693178).

331221131222 is a wasteful number, since it uses less digits than its factorization.

331221131222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5710709190.

The product of its digits is 864, while the sum is 23.

Adding to 331221131222 its reverse (222131122133), we get a palindrome (553352253355).

It can be divided in two parts, 3312211 and 31222, that added together give a palindrome (3343433).

The spelling of 331221131222 in words is "three hundred thirty-one billion, two hundred twenty-one million, one hundred thirty-one thousand, two hundred twenty-two".