331201210320222 has 64 divisors (see below), whose sum is σ = 726164515448064. Its totient is φ = 99872916099840.

The previous prime is 331201210320221. The next prime is 331201210320229. The reversal of 331201210320222 is 222023012102133.

It is a junction number, because it is equal to n+sod(n) for n = 331201210320192 and 331201210320201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331201210320221) 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, 1530133 + ... + 25782624.

It is an arithmetic number, because the mean of its divisors is an integer number (11346320553876).

Almost surely, 2^{331201210320222} is an apocalyptic number.

331201210320222 is an abundant number, since it is smaller than the sum of its proper divisors (394963305127842).

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

331201210320222 is a wasteful number, since it uses less digits than its factorization.

331201210320222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27313673.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 331201210320222 its reverse (222023012102133), we get a palindrome (553224222422355).

The spelling of 331201210320222 in words is "three hundred thirty-one trillion, two hundred one billion, two hundred ten million, three hundred twenty thousand, two hundred twenty-two".