22201110111222 has 192 divisors, whose sum is σ = 59693410183680. Its totient is φ = 5821146321408.

The previous prime is 22201110111157. The next prime is 22201110111277. The reversal of 22201110111222 is 22211101110222.

22201110111222 is a `hidden beast` number, since 2 + 220 + 1 + 110 + 111 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22201110111195 and 22201110111204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 19555138 + ... + 20659274.

It is an arithmetic number, because the mean of its divisors is an integer number (310903178040).

Almost surely, 2^{22201110111222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22201110111222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29846705091840).

22201110111222 is an abundant number, since it is smaller than the sum of its proper divisors (37492300072458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22201110111222 is a wasteful number, since it uses less digits than its factorization.

22201110111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104435 (or 1104432 counting only the distinct ones).

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

Adding to 22201110111222 its reverse (22211101110222), we get a palindrome (44412211221444).

The spelling of 22201110111222 in words is "twenty-two trillion, two hundred one billion, one hundred ten million, one hundred eleven thousand, two hundred twenty-two".