331100020121 has 32 divisors (see below), whose sum is σ = 362932026240. Its totient is φ = 300231360000.

The previous prime is 331100020109. The next prime is 331100020129. The reversal of 331100020121 is 121020001133.

It is not a de Polignac number, because 331100020121 - 2²² = 331095825817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331100020096 and 331100020105.

It is not an unprimeable number, because it can be changed into a prime (331100020129) 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, 183841421 + ... + 183843221.

It is an arithmetic number, because the mean of its divisors is an integer number (11341625820).

Almost surely, 2^331100020121 is an apocalyptic number.

It is an amenable number.

331100020121 is a deficient number, since it is larger than the sum of its proper divisors (31832006119).

331100020121 is a wasteful number, since it uses less digits than its factorization.

331100020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2937.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 331100020121 its reverse (121020001133), we get a palindrome (452120021254).

The spelling of 331100020121 in words is "three hundred thirty-one billion, one hundred million, twenty thousand, one hundred twenty-one".