10001099 has 4 divisors (see below), whose sum is σ = 10052064. Its totient is φ = 9950136.

The previous prime is 10001093. The next prime is 10001107. The reversal of 10001099 is 99010001.

10001099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99010001 = 31 ⋅3193871.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10001099 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 10001099.

It is not an unprimeable number, because it can be changed into a prime (10001093) 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, 25187 + ... + 25580.

It is an arithmetic number, because the mean of its divisors is an integer number (2513016).

Almost surely, 2^10001099 is an apocalyptic number.

10001099 is a deficient number, since it is larger than the sum of its proper divisors (50965).

10001099 is an equidigital number, since it uses as much as digits as its factorization.

10001099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50964.

The product of its (nonzero) digits is 81, while the sum is 20.

The square root of 10001099 is about 3162.4514225518. The cubic root of 10001099 is about 215.4513611265.

The spelling of 10001099 in words is "ten million, one thousand, ninety-nine".