331121032202101 has 4 divisors (see below), whose sum is σ = 348548454949600. Its totient is φ = 313693609454604.

The previous prime is 331121032202087. The next prime is 331121032202141. The reversal of 331121032202101 is 101202230121133.

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 331121032202101 - 2³⁵ = 331086672463733 is a prime.

It is a super-2 number, since 2×331121032202101² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331121032202141) 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, 8713711373721 + ... + 8713711373758.

It is an arithmetic number, because the mean of its divisors is an integer number (87137113737400).

Almost surely, 2^{331121032202101} is an apocalyptic number.

It is an amenable number.

331121032202101 is a deficient number, since it is larger than the sum of its proper divisors (17427422747499).

331121032202101 is a wasteful number, since it uses less digits than its factorization.

331121032202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17427422747498.

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

Adding to 331121032202101 its reverse (101202230121133), we get a palindrome (432323262323234).

It can be divided in two parts, 331121032 and 202101, that added together give a palindrome (331323133).

The spelling of 331121032202101 in words is "three hundred thirty-one trillion, one hundred twenty-one billion, thirty-two million, two hundred two thousand, one hundred one".