22201111123 has 8 divisors (see below), whose sum is σ = 23170733568. Its totient is φ = 21231851784.

The previous prime is 22201111099. The next prime is 22201111133. The reversal of 22201111123 is 32111110222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22201111123 - 2²¹ = 22199013971 is a prime.

It is a super-2 number, since 2×22201111123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22201111097 and 22201111106.

It is not an unprimeable number, because it can be changed into a prime (22201111133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38086 + ... + 214132.

It is an arithmetic number, because the mean of its divisors is an integer number (2896341696).

Almost surely, 2^22201111123 is an apocalyptic number.

22201111123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22201111123 is a deficient number, since it is larger than the sum of its proper divisors (969622445).

22201111123 is a wasteful number, since it uses less digits than its factorization.

22201111123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181553.

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

Adding to 22201111123 its reverse (32111110222), we get a palindrome (54312221345).

Subtracting 22201111123 from its reverse (32111110222), we obtain a palindrome (9909999099).

The spelling of 22201111123 in words is "twenty-two billion, two hundred one million, one hundred eleven thousand, one hundred twenty-three".