331121221113100 has 72 divisors (see below), whose sum is σ = 786529507358448. Its totient is φ = 119996768812800.

The previous prime is 331121221113077. The next prime is 331121221113121. The reversal of 331121221113100 is 1311122121133.

It is a super-2 number, since 2×331121221113100² (a number of 30 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 513362499 + ... + 514007098.

It is an arithmetic number, because the mean of its divisors is an integer number (10924020935534).

Almost surely, 2^{331121221113100} is an apocalyptic number.

It is an amenable number.

331121221113100 is an abundant number, since it is smaller than the sum of its proper divisors (455408286245348).

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

331121221113100 is a wasteful number, since it uses less digits than its factorization.

331121221113100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027369915 (or 1027369908 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 331121221113100 its reverse (1311122121133), we get a palindrome (332432343234233).

The spelling of 331121221113100 in words is "three hundred thirty-one trillion, one hundred twenty-one billion, two hundred twenty-one million, one hundred thirteen thousand, one hundred".