1010001010999 has 4 divisors (see below), whose sum is σ = 1010523517336. Its totient is φ = 1009478504664.

The previous prime is 1010001010987. The next prime is 1010001011027. The reversal of 1010001010999 is 9990101000101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1010001010999 - 2¹³ = 1010001002807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1010001010999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010001010979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261250269 + ... + 261254134.

It is an arithmetic number, because the mean of its divisors is an integer number (252630879334).

Almost surely, 2^{1010001010999} is an apocalyptic number.

1010001010999 is a deficient number, since it is larger than the sum of its proper divisors (522506337).

1010001010999 is an equidigital number, since it uses as much as digits as its factorization.

1010001010999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522506336.

The product of its (nonzero) digits is 729, while the sum is 31.

The spelling of 1010001010999 in words is "one trillion, ten billion, one million, ten thousand, nine hundred ninety-nine".