1112012111 has 8 divisors (see below), whose sum is σ = 1271156640. Its totient is φ = 952939008.

The previous prime is 1112012101. The next prime is 1112012113. The reversal of 1112012111 is 1112102111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1112012111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112012092 and 1112012101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112012113) by changing a digit.

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, 21215 + ... + 51711.

It is an arithmetic number, because the mean of its divisors is an integer number (158894580).

Almost surely, 2^1112012111 is an apocalyptic number.

1112012111 is a deficient number, since it is larger than the sum of its proper divisors (159144529).

1112012111 is an equidigital number, since it uses as much as digits as its factorization.

1112012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35713.

The product of its (nonzero) digits is 4, while the sum is 11.

The square root of 1112012111 is about 33346.8455929493. The cubic root of 1112012111 is about 1036.0240546260.

Adding to 1112012111 its reverse (1112102111), we get a palindrome (2224114222).

Subtracting 1112012111 from its reverse (1112102111), we obtain a square (90000 = 300²).

The spelling of 1112012111 in words is "one billion, one hundred twelve million, twelve thousand, one hundred eleven".