1112012081 has 2 divisors, whose sum is σ = 1112012082. Its totient is φ = 1112012080.

The previous prime is 1112012051. The next prime is 1112012089. The reversal of 1112012081 is 1802102111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 949194481 + 162817600 = 30809^2 + 12760^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112012081 - 2⁶ = 1112012017 is a prime.

It is a super-2 number, since 2×1112012081² = 2473141736579901122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1112012089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556006040 + 556006041.

It is an arithmetic number, because the mean of its divisors is an integer number (556006041).

Almost surely, 2^1112012081 is an apocalyptic number.

It is an amenable number.

1112012081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112012081 is an equidigital number, since it uses as much as digits as its factorization.

1112012081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 17.

The square root of 1112012081 is about 33346.8451431316. The cubic root of 1112012081 is about 1036.0240453093.

Adding to 1112012081 its reverse (1802102111), we get a palindrome (2914114192).

The spelling of 1112012081 in words is "one billion, one hundred twelve million, twelve thousand, eighty-one".