1011122899 has 2 divisors, whose sum is σ = 1011122900. Its totient is φ = 1011122898.

The previous prime is 1011122897. The next prime is 1011122909. The reversal of 1011122899 is 9982211101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011122899 - 2¹ = 1011122897 is a prime.

Together with 1011122897, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1011122897) 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, 505561449 + 505561450.

It is an arithmetic number, because the mean of its divisors is an integer number (505561450).

Almost surely, 2^1011122899 is an apocalyptic number.

1011122899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011122899 is an equidigital number, since it uses as much as digits as its factorization.

1011122899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 34.

The square root of 1011122899 is about 31798.1587360023. The cubic root of 1011122899 is about 1003.6939707780.

The spelling of 1011122899 in words is "one billion, eleven million, one hundred twenty-two thousand, eight hundred ninety-nine".