331121201103220 has 48 divisors (see below), whose sum is σ = 758573717481216. Its totient is φ = 120406892400000.

The previous prime is 331121201103193. The next prime is 331121201103223. The reversal of 331121201103220 is 22301102121133.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 331121201103191 and 331121201103200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331121201103223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27869170 + ... + 37933270.

It is an arithmetic number, because the mean of its divisors is an integer number (15803619114192).

Almost surely, 2^{331121201103220} is an apocalyptic number.

It is an amenable number.

331121201103220 is an abundant number, since it is smaller than the sum of its proper divisors (427452516377996).

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

331121201103220 is a wasteful number, since it uses less digits than its factorization.

331121201103220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10213672 (or 10213670 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 331121201103220 its reverse (22301102121133), we get a palindrome (353422303224353).

The spelling of 331121201103220 in words is "three hundred thirty-one trillion, one hundred twenty-one billion, two hundred one million, one hundred three thousand, two hundred twenty".