111002212 has 6 divisors (see below), whose sum is σ = 194253878. Its totient is φ = 55501104.

The previous prime is 111002207. The next prime is 111002233. The reversal of 111002212 is 212200111.

It can be written as a sum of positive squares in only one way, i.e., 69322276 + 41679936 = 8326^2 + 6456^2 .

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 as a sum of consecutive naturals, namely, 13875273 + ... + 13875280.

Almost surely, 2^111002212 is an apocalyptic number.

It is an amenable number.

111002212 is a deficient number, since it is larger than the sum of its proper divisors (83251666).

111002212 is a wasteful number, since it uses less digits than its factorization.

111002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27750557 (or 27750555 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 111002212 is about 10535.7587292041. The cubic root of 111002212 is about 480.5927457340.

Adding to 111002212 its reverse (212200111), we get a palindrome (323202323).

The spelling of 111002212 in words is "one hundred eleven million, two thousand, two hundred twelve".