22201101123 has 4 divisors (see below), whose sum is σ = 29601468168. Its totient is φ = 14800734080.

The previous prime is 22201101071. The next prime is 22201101127. The reversal of 22201101123 is 32110110222.

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 22201101123 - 2¹⁰ = 22201100099 is a prime.

It is a super-2 number, since 2×22201101123² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22201101127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3700183518 + ... + 3700183523.

It is an arithmetic number, because the mean of its divisors is an integer number (7400367042).

Almost surely, 2^22201101123 is an apocalyptic number.

22201101123 is a deficient number, since it is larger than the sum of its proper divisors (7400367045).

22201101123 is an equidigital number, since it uses as much as digits as its factorization.

22201101123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7400367044.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22201101123 its reverse (32110110222), we get a palindrome (54311211345).

Subtracting 22201101123 from its reverse (32110110222), we obtain a palindrome (9909009099).

The spelling of 22201101123 in words is "twenty-two billion, two hundred one million, one hundred one thousand, one hundred twenty-three".