22111000000122 has 16 divisors (see below), whose sum is σ = 48242181818592. Its totient is φ = 6700303030320.

The previous prime is 22111000000121. The next prime is 22111000000183. The reversal of 22111000000122 is 22100000011122.

It is a junction number, because it is equal to n+sod(n) for n = 22111000000098 and 22111000000107.

It is not an unprimeable number, because it can be changed into a prime (22111000000121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167507575693 + ... + 167507575824.

It is an arithmetic number, because the mean of its divisors is an integer number (3015136363662).

Almost surely, 2^{22111000000122} is an apocalyptic number.

22111000000122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22111000000122 is an abundant number, since it is smaller than the sum of its proper divisors (26131181818470).

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

22111000000122 is a wasteful number, since it uses less digits than its factorization.

22111000000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335015151533.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22111000000122 its reverse (22100000011122), we get a palindrome (44211000011244).

The spelling of 22111000000122 in words is "twenty-two trillion, one hundred eleven billion, one hundred twenty-two", and thus it is an aban number.