22011020201 has 16 divisors (see below), whose sum is σ = 22508539200. Its totient is φ = 21517959168.

The previous prime is 22011020189. The next prime is 22011020221. The reversal of 22011020201 is 10202011022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22011020201 - 2²⁶ = 21943911337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22011020221) 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, 17482310 + ... + 17483568.

It is an arithmetic number, because the mean of its divisors is an integer number (1406783700).

Almost surely, 2^22011020201 is an apocalyptic number.

It is an amenable number.

22011020201 is a deficient number, since it is larger than the sum of its proper divisors (497518999).

22011020201 is a wasteful number, since it uses less digits than its factorization.

22011020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728.

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

Adding to 22011020201 its reverse (10202011022), we get a palindrome (32213031223).

The spelling of 22011020201 in words is "twenty-two billion, eleven million, twenty thousand, two hundred one".