22001120109 has 24 divisors (see below), whose sum is σ = 32268446912. Its totient is φ = 14441898240.

The previous prime is 22001120083. The next prime is 22001120117. The reversal of 22001120109 is 90102110022.

It is not a de Polignac number, because 22001120109 - 2⁷ = 22001119981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22001120091 and 22001120100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001120149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1556544 + ... + 1570614.

Almost surely, 2^22001120109 is an apocalyptic number.

It is an amenable number.

22001120109 is a deficient number, since it is larger than the sum of its proper divisors (10267326803).

22001120109 is a wasteful number, since it uses less digits than its factorization.

22001120109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16737 (or 16734 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The spelling of 22001120109 in words is "twenty-two billion, one million, one hundred twenty thousand, one hundred nine".