22111201220112 has 60 divisors (see below), whose sum is σ = 63553103522220. Its totient is φ = 7171200393984.

The previous prime is 22111201220107. The next prime is 22111201220113. The reversal of 22111201220112 is 21102210211122.

22111201220112 is a `hidden beast` number, since 2 + 211 + 120 + 1 + 220 + 112 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10001886955776 + 12109314264336 = 3162576^2 + 3479844^2 .

It is a super-4 number, since 4×22111201220112⁴ (a number of 54 digits) contains 4444 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (22111201220113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2074994787 + ... + 2075005442.

It is an arithmetic number, because the mean of its divisors is an integer number (1059218392037).

Almost surely, 2^{22111201220112} is an apocalyptic number.

It is an amenable number.

22111201220112 is an abundant number, since it is smaller than the sum of its proper divisors (41441902302108).

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

22111201220112 is a wasteful number, since it uses less digits than its factorization.

22111201220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4150000280 (or 4150000271 counting only the distinct ones).

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

Adding to 22111201220112 its reverse (21102210211122), we get a palindrome (43213411431234).

The spelling of 22111201220112 in words is "twenty-two trillion, one hundred eleven billion, two hundred one million, two hundred twenty thousand, one hundred twelve".