20022144111222 has 96 divisors (see below), whose sum is σ = 44172353901312. Its totient is φ = 6045725400000.

The previous prime is 20022144111209. The next prime is 20022144111223. The reversal of 20022144111222 is 22211144122002.

It is a junction number, because it is equal to n+sod(n) for n = 20022144111192 and 20022144111201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022144111223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 734016648 + ... + 734043924.

It is an arithmetic number, because the mean of its divisors is an integer number (460128686472).

Almost surely, 2^{20022144111222} is an apocalyptic number.

20022144111222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20022144111222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22086176950656).

20022144111222 is an abundant number, since it is smaller than the sum of its proper divisors (24150209790090).

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

20022144111222 is a wasteful number, since it uses less digits than its factorization.

20022144111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30866 (or 30855 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 20022144111222 its reverse (22211144122002), we get a palindrome (42233288233224).

The spelling of 20022144111222 in words is "twenty trillion, twenty-two billion, one hundred forty-four million, one hundred eleven thousand, two hundred twenty-two".