331221212110222 has 96 divisors (see below), whose sum is σ = 635213224811520. Its totient is φ = 128569791087360.

The previous prime is 331221212110109. The next prime is 331221212110267. The reversal of 331221212110222 is 222011212122133.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8669608 + ... + 27158875.

It is an arithmetic number, because the mean of its divisors is an integer number (6616804425120).

Almost surely, 2^{331221212110222} is an apocalyptic number.

331221212110222 is a deficient number, since it is larger than the sum of its proper divisors (303992012701298).

331221212110222 is a wasteful number, since it uses less digits than its factorization.

331221212110222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35828726 (or 35828719 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 331221212110222 its reverse (222011212122133), we get a palindrome (553232424232355).

The spelling of 331221212110222 in words is "three hundred thirty-one trillion, two hundred twenty-one billion, two hundred twelve million, one hundred ten thousand, two hundred twenty-two".