2001201099 has 8 divisors (see below), whose sum is σ = 2679340752. Its totient is φ = 1328597760.

The previous prime is 2001201067. The next prime is 2001201107. The reversal of 2001201099 is 9901021002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2001201099 - 2⁵ = 2001201067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2001201199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1383234 + ... + 1384679.

It is an arithmetic number, because the mean of its divisors is an integer number (334917594).

Almost surely, 2^2001201099 is an apocalyptic number.

2001201099 is a deficient number, since it is larger than the sum of its proper divisors (678139653).

2001201099 is a wasteful number, since it uses less digits than its factorization.

2001201099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2768157.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 2001201099 is about 44734.7862295105. The cubic root of 2001201099 is about 1260.1732144080.

The spelling of 2001201099 in words is "two billion, one million, two hundred one thousand, ninety-nine".