2331121112 has 32 divisors (see below), whose sum is σ = 4399488000. Its totient is φ = 1157948064.

The previous prime is 2331121109. The next prime is 2331121127. The reversal of 2331121112 is 2111211332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1086713 + ... + 1088855.

It is an arithmetic number, because the mean of its divisors is an integer number (137484000).

Almost surely, 2^2331121112 is an apocalyptic number.

It is an amenable number.

2331121112 is a deficient number, since it is larger than the sum of its proper divisors (2068366888).

2331121112 is a wasteful number, since it uses less digits than its factorization.

2331121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2975 (or 2971 counting only the distinct ones).

The product of its digits is 72, while the sum is 17.

The square root of 2331121112 is about 48281.6850575868. The cubic root of 2331121112 is about 1325.9331007943.

Adding to 2331121112 its reverse (2111211332), we get a palindrome (4442332444).

The spelling of 2331121112 in words is "two billion, three hundred thirty-one million, one hundred twenty-one thousand, one hundred twelve".