22111000120123 has 4 divisors (see below), whose sum is σ = 22114997775288. Its totient is φ = 22107002464960.

The previous prime is 22111000120109. The next prime is 22111000120193. The reversal of 22111000120123 is 32102100011122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22111000120123 - 2⁵ = 22111000120091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22111000120097 and 22111000120106.

It is not an unprimeable number, because it can be changed into a prime (22111000120103) 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 3 ways as a sum of consecutive naturals, for example, 1998819286 + ... + 1998830347.

It is an arithmetic number, because the mean of its divisors is an integer number (5528749443822).

Almost surely, 2^{22111000120123} is an apocalyptic number.

22111000120123 is a deficient number, since it is larger than the sum of its proper divisors (3997655165).

22111000120123 is an equidigital number, since it uses as much as digits as its factorization.

22111000120123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3997655164.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 22111000120123 its reverse (32102100011122), we get a palindrome (54213100131245).

The spelling of 22111000120123 in words is "twenty-two trillion, one hundred eleven billion, one hundred twenty thousand, one hundred twenty-three".