331220012101 has 8 divisors (see below), whose sum is σ = 361351877184. Its totient is φ = 301091639520.

The previous prime is 331220012077. The next prime is 331220012107. The reversal of 331220012101 is 101210022133.

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

It is a cyclic number.

It is not a de Polignac number, because 331220012101 - 2⁵ = 331220012069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331220012107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 672825 + ... + 1055998.

It is an arithmetic number, because the mean of its divisors is an integer number (45168984648).

Almost surely, 2^331220012101 is an apocalyptic number.

It is an amenable number.

331220012101 is a deficient number, since it is larger than the sum of its proper divisors (30131865083).

331220012101 is a wasteful number, since it uses less digits than its factorization.

331220012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746251.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 331220012101 its reverse (101210022133), we get a palindrome (432430034234).

The spelling of 331220012101 in words is "three hundred thirty-one billion, two hundred twenty million, twelve thousand, one hundred one".