22111211122 has 96 divisors (see below), whose sum is σ = 45413375616.
Its totient is φ = 7855626240.
The previous prime is 22111210999. The next prime is 22111211149.
22111211122 is nontrivially palindromic in base 10.
It is a nude number because it is divisible by every one of its digits.
It is a junction number, because it is equal to n+sod(n) for n = 22111211096 and 22111211105.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1821778 + ... + 1833874.
It is an arithmetic number, because the mean of its divisors is an integer number (473055996).
Almost surely, 222111211122 is an apocalyptic number.
22111211122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
22111211122 is an abundant number, since it is smaller than the sum of its proper divisors (23302164494).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22111211122 is a wasteful number, since it uses less digits than its factorization.
22111211122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12224 (or 12213 counting only the distinct ones).
The product of its digits is 32, while the sum is 16.
The spelling of 22111211122 in words is "twenty-two billion, one hundred eleven million, two hundred eleven thousand, one hundred twenty-two".