22120110201222 has 80 divisors (see below), whose sum is σ = 54155475646272. Its totient is φ = 6692638679280.

The previous prime is 22120110201157. The next prime is 22120110201229. The reversal of 22120110201222 is 22210201102122.

It is a happy number.

22120110201222 is a `hidden beast` number, since 221 + 20 + 1 + 1 + 0 + 201 + 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 = 22120110201195 and 22120110201204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120110201229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8506648 + ... + 10798299.

Almost surely, 2^{22120110201222} is an apocalyptic number.

22120110201222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22120110201222 is an abundant number, since it is smaller than the sum of its proper divisors (32035365445050).

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

22120110201222 is a wasteful number, since it uses less digits than its factorization.

22120110201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19305615 (or 19305606 counting only the distinct ones).

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

Adding to 22120110201222 its reverse (22210201102122), we get a palindrome (44330311303344).

The spelling of 22120110201222 in words is "twenty-two trillion, one hundred twenty billion, one hundred ten million, two hundred one thousand, two hundred twenty-two".