100331331121 has 16 divisors (see below), whose sum is σ = 115020752128. Its totient is φ = 85731307200.

The previous prime is 100331331097. The next prime is 100331331209. The reversal of 100331331121 is 121133133001.

It is a de Polignac number, because none of the positive numbers 2^k-100331331121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100331331421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4270276 + ... + 4293706.

It is an arithmetic number, because the mean of its divisors is an integer number (7188797008).

Almost surely, 2^100331331121 is an apocalyptic number.

It is an amenable number.

100331331121 is a deficient number, since it is larger than the sum of its proper divisors (14689421007).

100331331121 is a wasteful number, since it uses less digits than its factorization.

100331331121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25312.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 100331331121 its reverse (121133133001), we get a palindrome (221464464122).

The spelling of 100331331121 in words is "one hundred billion, three hundred thirty-one million, three hundred thirty-one thousand, one hundred twenty-one".