1111113212 has 24 divisors (see below), whose sum is σ = 2122675632. Its totient is φ = 504704000.

The previous prime is 1111113197. The next prime is 1111113239. The reversal of 1111113212 is 2123111111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62558 + ... + 78330.

It is an arithmetic number, because the mean of its divisors is an integer number (88444818).

Almost surely, 2^1111113212 is an apocalyptic number.

It is an amenable number.

1111113212 is a deficient number, since it is larger than the sum of its proper divisors (1011562420).

1111113212 is a wasteful number, since it uses less digits than its factorization.

1111113212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17389 (or 17387 counting only the distinct ones).

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

The square root of 1111113212 is about 33333.3648466518. The cubic root of 1111113212 is about 1035.7448214459.

Adding to 1111113212 its reverse (2123111111), we get a palindrome (3234224323).

The spelling of 1111113212 in words is "one billion, one hundred eleven million, one hundred thirteen thousand, two hundred twelve".