22111220201122 has 32 divisors (see below), whose sum is σ = 37598631033600. Its totient is φ = 9667908379008.

The previous prime is 22111220201101. The next prime is 22111220201123. The reversal of 22111220201122 is 22110202211122.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 22111220201122.

It is not an unprimeable number, because it can be changed into a prime (22111220201123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33626503 + ... + 34277749.

It is an arithmetic number, because the mean of its divisors is an integer number (1174957219800).

Almost surely, 2^{22111220201122} is an apocalyptic number.

22111220201122 is a deficient number, since it is larger than the sum of its proper divisors (15487410832478).

22111220201122 is a wasteful number, since it uses less digits than its factorization.

22111220201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720010.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22111220201122 its reverse (22110202211122), we get a palindrome (44221422412244).

The spelling of 22111220201122 in words is "twenty-two trillion, one hundred eleven billion, two hundred twenty million, two hundred one thousand, one hundred twenty-two".