200011221001 has 16 divisors (see below), whose sum is σ = 209521041408. Its totient is φ = 190705251600.

The previous prime is 200011220993. The next prime is 200011221013. The reversal of 200011221001 is 100122110002.

It is a cyclic number.

It is not a de Polignac number, because 200011221001 - 2³ = 200011220993 is a prime.

It is a super-3 number, since 3×200011221001³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200011221041) 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, 838386 + ... + 1050196.

It is an arithmetic number, because the mean of its divisors is an integer number (13095065088).

Almost surely, 2^200011221001 is an apocalyptic number.

It is an amenable number.

200011221001 is a deficient number, since it is larger than the sum of its proper divisors (9509820407).

200011221001 is a wasteful number, since it uses less digits than its factorization.

200011221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212292.

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

Adding to 200011221001 its reverse (100122110002), we get a palindrome (300133331003).

The spelling of 200011221001 in words is "two hundred billion, eleven million, two hundred twenty-one thousand, one".