1000201099 has 4 divisors (see below), whose sum is σ = 1017153720. Its totient is φ = 983248480.

The previous prime is 1000201063. The next prime is 1000201123. The reversal of 1000201099 is 9901020001.

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 1000201099 - 2⁹ = 1000200587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000201009) 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, 8476222 + ... + 8476339.

It is an arithmetic number, because the mean of its divisors is an integer number (254288430).

Almost surely, 2^1000201099 is an apocalyptic number.

1000201099 is a deficient number, since it is larger than the sum of its proper divisors (16952621).

1000201099 is an equidigital number, since it uses as much as digits as its factorization.

1000201099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16952620.

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 1000201099 is about 31625.9560962194. The cubic root of 1000201099 is about 1000.0670285071.

The spelling of 1000201099 in words is "one billion, two hundred one thousand, ninety-nine".