22011201222201 has 24 divisors (see below), whose sum is σ = 31827147735240. Its totient is φ = 14658821093376.

The previous prime is 22011201222191. The next prime is 22011201222209. The reversal of 22011201222201 is 10222210211022.

It is a happy number.

22011201222201 is a `hidden beast` number, since 2 + 201 + 120 + 122 + 220 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 12700128748176 + 9311072474025 = 3563724^2 + 3051405^2 .

It is not a de Polignac number, because 22011201222201 - 2⁹ = 22011201221689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22011201222209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47518951 + ... + 47979923.

It is an arithmetic number, because the mean of its divisors is an integer number (1326131155635).

Almost surely, 2^{22011201222201} is an apocalyptic number.

It is an amenable number.

22011201222201 is a deficient number, since it is larger than the sum of its proper divisors (9815946513039).

22011201222201 is a wasteful number, since it uses less digits than its factorization.

22011201222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466505 (or 466502 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22011201222201 its reverse (10222210211022), we get a palindrome (32233411433223).

The spelling of 22011201222201 in words is "twenty-two trillion, eleven billion, two hundred one million, two hundred twenty-two thousand, two hundred one".