2231112212 has 48 divisors (see below), whose sum is σ = 4514807808. Its totient is φ = 944968800.

The previous prime is 2231112209. The next prime is 2231112227. The reversal of 2231112212 is 2122111322.

It is a super-3 number, since 3×2231112212³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1937837 + ... + 1938987.

It is an arithmetic number, because the mean of its divisors is an integer number (94058496).

Almost surely, 2^2231112212 is an apocalyptic number.

It is an amenable number.

2231112212 is an abundant number, since it is smaller than the sum of its proper divisors (2283695596).

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

2231112212 is a wasteful number, since it uses less digits than its factorization.

2231112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916 (or 1914 counting only the distinct ones).

The product of its digits is 96, while the sum is 17.

The square root of 2231112212 is about 47234.6505438539. The cubic root of 2231112212 is about 1306.6937217025.

Adding to 2231112212 its reverse (2122111322), we get a palindrome (4353223534).

The spelling of 2231112212 in words is "two billion, two hundred thirty-one million, one hundred twelve thousand, two hundred twelve".