22222011112 has 64 divisors (see below), whose sum is σ = 48768272640. Its totient is φ = 9296448000.

The previous prime is 22222011079. The next prime is 22222011209. The reversal of 22222011112 is 21111022222.

It is a happy number.

It is a super-3 number, since 3×22222011112³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 373908 + ... + 429244.

It is an arithmetic number, because the mean of its divisors is an integer number (762004260).

Almost surely, 2^22222011112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22222011112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24384136320).

22222011112 is an abundant number, since it is smaller than the sum of its proper divisors (26546261528).

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

22222011112 is a wasteful number, since it uses less digits than its factorization.

22222011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55522 (or 55518 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22222011112 its reverse (21111022222), we get a palindrome (43333033334).

It can be divided in two parts, 222220 and 11112, that added together give a palindrome (233332).

The spelling of 22222011112 in words is "twenty-two billion, two hundred twenty-two million, eleven thousand, one hundred twelve".