22122210123 has 96 divisors (see below), whose sum is σ = 35789802048. Its totient is φ = 13083033600.

The previous prime is 22122210107. The next prime is 22122210133. The reversal of 22122210123 is 32101222122.

It is not a de Polignac number, because 22122210123 - 2⁴ = 22122210107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22122210096 and 22122210105.

It is not an unprimeable number, because it can be changed into a prime (22122210133) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 91793283 + ... + 91793523.

It is an arithmetic number, because the mean of its divisors is an integer number (372810438).

Almost surely, 2^22122210123 is an apocalyptic number.

22122210123 is a deficient number, since it is larger than the sum of its proper divisors (13667591925).

22122210123 is a wasteful number, since it uses less digits than its factorization.

22122210123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557 (or 554 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22122210123 its reverse (32101222122), we get a palindrome (54223432245).

The spelling of 22122210123 in words is "twenty-two billion, one hundred twenty-two million, two hundred ten thousand, one hundred twenty-three".