111112111122212 has 12 divisors (see below), whose sum is σ = 194446593788160. Its totient is φ = 55555941468456.

The previous prime is 111112111122137. The next prime is 111112111122323. The reversal of 111112111122212 is 212221111211111.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26312912 + ... + 30242247.

It is an arithmetic number, because the mean of its divisors is an integer number (16203882815680).

Almost surely, 2^{111112111122212} is an apocalyptic number.

It is an amenable number.

111112111122212 is a deficient number, since it is larger than the sum of its proper divisors (83334482665948).

111112111122212 is a wasteful number, since it uses less digits than its factorization.

111112111122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57046330 (or 57046328 counting only the distinct ones).

The product of its digits is 32, while the sum is 20.

Adding to 111112111122212 its reverse (212221111211111), we get a palindrome (323333222333323).

The spelling of 111112111122212 in words is "one hundred eleven trillion, one hundred twelve billion, one hundred eleven million, one hundred twenty-two thousand, two hundred twelve".