22022111123 has 4 divisors (see below), whose sum is σ = 22023219888. Its totient is φ = 22021002360.

The previous prime is 22022111119. The next prime is 22022111171. The reversal of 22022111123 is 32111122022.

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 22022111123 - 2² = 22022111119 is a prime.

It is a super-2 number, since 2×22022111123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22022111723) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 524036 + ... + 564497.

It is an arithmetic number, because the mean of its divisors is an integer number (5505804972).

Almost surely, 2^22022111123 is an apocalyptic number.

22022111123 is a deficient number, since it is larger than the sum of its proper divisors (1108765).

22022111123 is a wasteful number, since it uses less digits than its factorization.

22022111123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108764.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22022111123 its reverse (32111122022), we get a palindrome (54133233145).

The spelling of 22022111123 in words is "twenty-two billion, twenty-two million, one hundred eleven thousand, one hundred twenty-three".