1011200899 has 2 divisors, whose sum is σ = 1011200900. Its totient is φ = 1011200898.

The previous prime is 1011200887. The next prime is 1011200909. The reversal of 1011200899 is 9980021101.

1011200899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011200899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1011200899.

It is not a weakly prime, because it can be changed into another prime (1011200809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505600449 + 505600450.

It is an arithmetic number, because the mean of its divisors is an integer number (505600450).

Almost surely, 2^1011200899 is an apocalyptic number.

1011200899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011200899 is an equidigital number, since it uses as much as digits as its factorization.

1011200899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 31.

The square root of 1011200899 is about 31799.3851984594. The cubic root of 1011200899 is about 1003.7197790870.

The spelling of 1011200899 in words is "one billion, eleven million, two hundred thousand, eight hundred ninety-nine".