22123021103 has 4 divisors (see below), whose sum is σ = 22124676120. Its totient is φ = 22121366088.

The previous prime is 22123021079. The next prime is 22123021117. The reversal of 22123021103 is 30112032122.

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 22123021103 - 2¹⁶ = 22122955567 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 (22123021603) 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, 807293 + ... + 834246.

It is an arithmetic number, because the mean of its divisors is an integer number (5531169030).

Almost surely, 2^22123021103 is an apocalyptic number.

22123021103 is a deficient number, since it is larger than the sum of its proper divisors (1655017).

22123021103 is a wasteful number, since it uses less digits than its factorization.

22123021103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655016.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22123021103 its reverse (30112032122), we get a palindrome (52235053225).

The spelling of 22123021103 in words is "twenty-two billion, one hundred twenty-three million, twenty-one thousand, one hundred three".