200112221001 has 16 divisors (see below), whose sum is σ = 332654082048. Its totient is φ = 103954400400.

The previous prime is 200112220943. The next prime is 200112221017. The reversal of 200112221001 is 100122211002.

It is not a de Polignac number, because 200112221001 - 2⁶ = 200112220937 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (200112221041) 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, 433143105 + ... + 433143566.

It is an arithmetic number, because the mean of its divisors is an integer number (20790880128).

Almost surely, 2^200112221001 is an apocalyptic number.

200112221001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

200112221001 is a deficient number, since it is larger than the sum of its proper divisors (132541861047).

200112221001 is a wasteful number, since it uses less digits than its factorization.

200112221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866286692.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 200112221001 its reverse (100122211002), we get a palindrome (300234432003).

Subtracting from 200112221001 its reverse (100122211002), we obtain a palindrome (99990009999).

The spelling of 200112221001 in words is "two hundred billion, one hundred twelve million, two hundred twenty-one thousand, one".