22111101222201 has 24 divisors (see below), whose sum is σ = 32717960140320. Its totient is φ = 14380887153600.

The previous prime is 22111101222187. The next prime is 22111101222211. The reversal of 22111101222201 is 10222210111122.

22111101222201 is a `hidden beast` number, since 2 + 211 + 110 + 122 + 220 + 1 = 666.

It is not a de Polignac number, because 22111101222201 - 2⁷ = 22111101222073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22111101222211) 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, 16728106 + ... + 18001436.

It is an arithmetic number, because the mean of its divisors is an integer number (1363248339180).

Almost surely, 2^{22111101222201} is an apocalyptic number.

It is an amenable number.

22111101222201 is a deficient number, since it is larger than the sum of its proper divisors (10606858918119).

22111101222201 is a wasteful number, since it uses less digits than its factorization.

22111101222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320437 (or 1320434 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22111101222201 its reverse (10222210111122), we get a palindrome (32333311333323).

The spelling of 22111101222201 in words is "twenty-two trillion, one hundred eleven billion, one hundred one million, two hundred twenty-two thousand, two hundred one".