200120220001 has 16 divisors (see below), whose sum is σ = 216584928000. Its totient is φ = 183810751488.

The previous prime is 200120219953. The next prime is 200120220023. The reversal of 200120220001 is 100022021002.

It is not a de Polignac number, because 200120220001 - 2²¹ = 200118122849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200120220001.

It is not an unprimeable number, because it can be changed into a prime (200120223001) 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, 2095470 + ... + 2188888.

It is an arithmetic number, because the mean of its divisors is an integer number (13536558000).

Almost surely, 2^200120220001 is an apocalyptic number.

It is an amenable number.

200120220001 is a deficient number, since it is larger than the sum of its proper divisors (16464707999).

200120220001 is a wasteful number, since it uses less digits than its factorization.

200120220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94248.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 200120220001 its reverse (100022021002), we get a palindrome (300142241003).

The spelling of 200120220001 in words is "two hundred billion, one hundred twenty million, two hundred twenty thousand, one".