11022222112 has 192 divisors, whose sum is σ = 25198967808. Its totient is φ = 4700160000.

The previous prime is 11022222109. The next prime is 11022222137. The reversal of 11022222112 is 21122222011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80454108 + ... + 80454244.

It is an arithmetic number, because the mean of its divisors is an integer number (131244624).

Almost surely, 2^11022222112 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 11022222112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12599483904).

11022222112 is an abundant number, since it is smaller than the sum of its proper divisors (14176745696).

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

11022222112 is a wasteful number, since it uses less digits than its factorization.

11022222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363 (or 355 counting only the distinct ones).

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

Adding to 11022222112 its reverse (21122222011), we get a palindrome (32144444123).

It can be divided in two parts, 110 and 22222112, that added together give a palindrome (22222222).

The spelling of 11022222112 in words is "eleven billion, twenty-two million, two hundred twenty-two thousand, one hundred twelve".