1110221087 has 2 divisors, whose sum is σ = 1110221088. Its totient is φ = 1110221086.

The previous prime is 1110221071. The next prime is 1110221141. The reversal of 1110221087 is 7801220111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1110221087 - 2⁴ = 1110221071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110226087) by changing a digit.

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, 555110543 + 555110544.

It is an arithmetic number, because the mean of its divisors is an integer number (555110544).

Almost surely, 2^1110221087 is an apocalyptic number.

1110221087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110221087 is an equidigital number, since it uses as much as digits as its factorization.

1110221087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 23.

The square root of 1110221087 is about 33319.9802971130. The cubic root of 1110221087 is about 1035.4675435923.

Adding to 1110221087 its reverse (7801220111), we get a palindrome (8911441198).

The spelling of 1110221087 in words is "one billion, one hundred ten million, two hundred twenty-one thousand, eighty-seven".