22201112102123 has 4 divisors (see below), whose sum is σ = 22252622803488. Its totient is φ = 22149601400760.

The previous prime is 22201112102077. The next prime is 22201112102149. The reversal of 22201112102123 is 32120121110222.

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 22201112102123 - 2¹⁰ = 22201112101099 is a prime.

It is a super-2 number, since 2×22201112102123² (a number of 27 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 = 22201112102095 and 22201112102104.

It is not an unprimeable number, because it can be changed into a prime (22201112104123) 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, 25755350036 + ... + 25755350897.

It is an arithmetic number, because the mean of its divisors is an integer number (5563155700872).

Almost surely, 2^{22201112102123} is an apocalyptic number.

22201112102123 is a deficient number, since it is larger than the sum of its proper divisors (51510701365).

22201112102123 is an equidigital number, since it uses as much as digits as its factorization.

22201112102123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51510701364.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 22201112102123 its reverse (32120121110222), we get a palindrome (54321233212345).

It can be divided in two parts, 2220111 and 2102123, that added together give a palindrome (4322234).

The spelling of 22201112102123 in words is "twenty-two trillion, two hundred one billion, one hundred twelve million, one hundred two thousand, one hundred twenty-three".