2133111112 has 32 divisors (see below), whose sum is σ = 4406400000. Its totient is φ = 959992000.

The previous prime is 2133111053. The next prime is 2133111119. The reversal of 2133111112 is 2111113312.

It is a happy number.

It is a super-2 number, since 2×2133111112² = 9100326032275753088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2133111119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111112 + ... + 128887.

It is an arithmetic number, because the mean of its divisors is an integer number (137700000).

Almost surely, 2^2133111112 is an apocalyptic number.

2133111112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2133111112 is an abundant number, since it is smaller than the sum of its proper divisors (2273288888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2133111112 is a wasteful number, since it uses less digits than its factorization.

2133111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240117 (or 240113 counting only the distinct ones).

The product of its digits is 36, while the sum is 16.

The square root of 2133111112 is about 46185.6158560217. The cubic root of 2133111112 is about 1287.2744795182.

Adding to 2133111112 its reverse (2111113312), we get a palindrome (4244224424).

It can be divided in two parts, 21 and 33111112, that added together give a palindrome (33111133).

The spelling of 2133111112 in words is "two billion, one hundred thirty-three million, one hundred eleven thousand, one hundred twelve".