22123311103 has 4 divisors (see below), whose sum is σ = 22251191688. Its totient is φ = 21995430520.

The previous prime is 22123311083. The next prime is 22123311137. The reversal of 22123311103 is 30111332122.

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 22123311103 - 2¹⁷ = 22123180031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22123311503) 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, 63940033 + ... + 63940378.

It is an arithmetic number, because the mean of its divisors is an integer number (5562797922).

Almost surely, 2^22123311103 is an apocalyptic number.

22123311103 is a deficient number, since it is larger than the sum of its proper divisors (127880585).

22123311103 is a wasteful number, since it uses less digits than its factorization.

22123311103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127880584.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 22123311103 its reverse (30111332122), we get a palindrome (52234643225).

The spelling of 22123311103 in words is "twenty-two billion, one hundred twenty-three million, three hundred eleven thousand, one hundred three".