200001222011 has 4 divisors (see below), whose sum is σ = 201942981552. Its totient is φ = 198059462472.

The previous prime is 200001221999. The next prime is 200001222059. The reversal of 200001222011 is 110222100002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200001222011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200001221983 and 200001222001.

It is not an unprimeable number, because it can be changed into a prime (200001242011) 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, 970879616 + ... + 970879821.

It is an arithmetic number, because the mean of its divisors is an integer number (50485745388).

Almost surely, 2^200001222011 is an apocalyptic number.

200001222011 is a deficient number, since it is larger than the sum of its proper divisors (1941759541).

200001222011 is a wasteful number, since it uses less digits than its factorization.

200001222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1941759540.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 200001222011 its reverse (110222100002), we get a palindrome (310223322013).

The spelling of 200001222011 in words is "two hundred billion, one million, two hundred twenty-two thousand, eleven".