3211111112 has 32 divisors (see below), whose sum is σ = 6913879200. Its totient is φ = 1382774400.

The previous prime is 3211111091. The next prime is 3211111117. The reversal of 3211111112 is 2111111123.

It is a super-2 number, since 2×3211111112² = 20622469147219753088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3211111117) 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, 958589 + ... + 961932.

It is an arithmetic number, because the mean of its divisors is an integer number (216058725).

Almost surely, 2^3211111112 is an apocalyptic number.

It is an amenable number.

3211111112 is an abundant number, since it is smaller than the sum of its proper divisors (3702768088).

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

3211111112 is a wasteful number, since it uses less digits than its factorization.

3211111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920557 (or 1920553 counting only the distinct ones).

The product of its digits is 12, while the sum is 14.

The square root of 3211111112 is about 56666.6666745098. Note that the first 4 decimals coincide. The cubic root of 3211111112 is about 1475.3161994902.

Adding to 3211111112 its reverse (2111111123), we get a palindrome (5322222235).

It can be divided in two parts, 32111111 and 12, that added together give a palindrome (32111123).

The spelling of 3211111112 in words is "three billion, two hundred eleven million, one hundred eleven thousand, one hundred twelve".