22011011112 has 16 divisors (see below), whose sum is σ = 55027527840. Its totient is φ = 7337003696.

The previous prime is 22011011093. The next prime is 22011011119. The reversal of 22011011112 is 21111011022.

It is a super-2 number, since 2×22011011112² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (22011011119) 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 3 ways as a sum of consecutive naturals, for example, 458562708 + ... + 458562755.

It is an arithmetic number, because the mean of its divisors is an integer number (3439220490).

Almost surely, 2^22011011112 is an apocalyptic number.

It is an amenable number.

22011011112 is an abundant number, since it is smaller than the sum of its proper divisors (33016516728).

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

22011011112 is a wasteful number, since it uses less digits than its factorization.

22011011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917125472 (or 917125468 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 22011011112 its reverse (21111011022), we get a palindrome (43122022134).

The spelling of 22011011112 in words is "twenty-two billion, eleven million, eleven thousand, one hundred twelve".