1111112212 has 24 divisors (see below), whose sum is σ = 2223434304. Its totient is φ = 475931712.

The previous prime is 1111112203. The next prime is 1111112227. The reversal of 1111112212 is 2122111111.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1111112192 and 1111112201.

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, 46968 + ... + 66544.

It is an arithmetic number, because the mean of its divisors is an integer number (92643096).

Almost surely, 2^1111112212 is an apocalyptic number.

It is an amenable number.

1111112212 is an abundant number, since it is smaller than the sum of its proper divisors (1112322092).

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

1111112212 is a wasteful number, since it uses less digits than its factorization.

1111112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21615 (or 21613 counting only the distinct ones).

The product of its digits is 8, while the sum is 13.

The square root of 1111112212 is about 33333.3498466626. The cubic root of 1111112212 is about 1035.7445107229.

Adding to 1111112212 its reverse (2122111111), we get a palindrome (3233223323).

The spelling of 1111112212 in words is "one billion, one hundred eleven million, one hundred twelve thousand, two hundred twelve".