331121100231101 has 4 divisors (see below), whose sum is σ = 331122125700000. Its totient is φ = 331120074762204.

The previous prime is 331121100231073. The next prime is 331121100231137. The reversal of 331121100231101 is 101132001121133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 331121100231101 - 2³⁴ = 331103920361917 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 (331121100231301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512249951 + ... + 512895948.

It is an arithmetic number, because the mean of its divisors is an integer number (82780531425000).

Almost surely, 2^{331121100231101} is an apocalyptic number.

It is an amenable number.

331121100231101 is a deficient number, since it is larger than the sum of its proper divisors (1025468899).

331121100231101 is a wasteful number, since it uses less digits than its factorization.

331121100231101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025468898.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 331121100231101 its reverse (101132001121133), we get a palindrome (432253101352234).

The spelling of 331121100231101 in words is "three hundred thirty-one trillion, one hundred twenty-one billion, one hundred million, two hundred thirty-one thousand, one hundred one".