1111012087 has 2 divisors, whose sum is σ = 1111012088. Its totient is φ = 1111012086.

The previous prime is 1111012081. The next prime is 1111012109. The reversal of 1111012087 is 7802101111.

It is an a-pointer prime, because the next prime (1111012109) can be obtained adding 1111012087 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1111012087 - 2⁷ = 1111011959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111012081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555506043 + 555506044.

It is an arithmetic number, because the mean of its divisors is an integer number (555506044).

Almost surely, 2^1111012087 is an apocalyptic number.

1111012087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111012087 is an equidigital number, since it uses as much as digits as its factorization.

1111012087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 22.

The square root of 1111012087 is about 33331.8479385707. The cubic root of 1111012087 is about 1035.7133986435.

Adding to 1111012087 its reverse (7802101111), we get a palindrome (8913113198).

The spelling of 1111012087 in words is "one billion, one hundred eleven million, twelve thousand, eighty-seven".