2001112201 has 16 divisors (see below), whose sum is σ = 2270079360. Its totient is φ = 1747307520.

The previous prime is 2001112193. The next prime is 2001112207. The reversal of 2001112201 is 1022111002.

It is a cyclic number.

It is not a de Polignac number, because 2001112201 - 2³ = 2001112193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001112207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45316 + ... + 77818.

It is an arithmetic number, because the mean of its divisors is an integer number (141879960).

Almost surely, 2^2001112201 is an apocalyptic number.

It is an amenable number.

2001112201 is a deficient number, since it is larger than the sum of its proper divisors (268967159).

2001112201 is a wasteful number, since it uses less digits than its factorization.

2001112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32736.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2001112201 is about 44733.7926069320. The cubic root of 2001112201 is about 1260.1545541915.

Adding to 2001112201 its reverse (1022111002), we get a palindrome (3023223203).

The spelling of 2001112201 in words is "two billion, one million, one hundred twelve thousand, two hundred one".