201122221110001 has 16 divisors (see below), whose sum is σ = 211964893649280. Its totient is φ = 190454766515200.

The previous prime is 201122221109977. The next prime is 201122221110007. The reversal of 201122221110001 is 100011122221102.

It is not a de Polignac number, because 201122221110001 - 2¹⁷ = 201122220978929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201122221110007) 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, 20086590 + ... + 28385128.

It is an arithmetic number, because the mean of its divisors is an integer number (13247805853080).

Almost surely, 2^{201122221110001} is an apocalyptic number.

It is an amenable number.

201122221110001 is a deficient number, since it is larger than the sum of its proper divisors (10842672539279).

201122221110001 is a wasteful number, since it uses less digits than its factorization.

201122221110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8309096.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201122221110001 its reverse (100011122221102), we get a palindrome (301133343331103).

The spelling of 201122221110001 in words is "two hundred one trillion, one hundred twenty-two billion, two hundred twenty-one million, one hundred ten thousand, one".