22111100109 has 72 divisors (see below), whose sum is σ = 39251422080. Its totient is φ = 11926051200.

The previous prime is 22111100093. The next prime is 22111100119. The reversal of 22111100109 is 90100111122.

It is a happy number.

It is not a de Polignac number, because 22111100109 - 2⁴ = 22111100093 is a prime.

It is a super-4 number, since 4×22111100109⁴ (a number of 42 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22111100091 and 22111100100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111100119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2349804 + ... + 2359194.

It is an arithmetic number, because the mean of its divisors is an integer number (545158640).

Almost surely, 2^22111100109 is an apocalyptic number.

It is an amenable number.

22111100109 is a deficient number, since it is larger than the sum of its proper divisors (17140321971).

22111100109 is a wasteful number, since it uses less digits than its factorization.

22111100109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9711 (or 9701 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 22111100109 in words is "twenty-two billion, one hundred eleven million, one hundred thousand, one hundred nine".