111002312 has 16 divisors (see below), whose sum is σ = 208907100. Its totient is φ = 55293760.

The previous prime is 111002303. The next prime is 111002321. The reversal of 111002312 is 213200111.

It is an interprime number because it is at equal distance from previous prime (111002303) and next prime (111002321).

It can be written as a sum of positive squares in 2 ways, for example, as 73376356 + 37625956 = 8566^2 + 6134^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111002293 and 111002302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23639 + ... + 27942.

Almost surely, 2^111002312 is an apocalyptic number.

It is an amenable number.

111002312 is a deficient number, since it is larger than the sum of its proper divisors (97904788).

111002312 is a wasteful number, since it uses less digits than its factorization.

111002312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51856 (or 51852 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 111002312 is about 10535.7634749457. The cubic root of 111002312 is about 480.5928900532.

Adding to 111002312 its reverse (213200111), we get a palindrome (324202423).

The spelling of 111002312 in words is "one hundred eleven million, two thousand, three hundred twelve".