22112111109 has 8 divisors (see below), whose sum is σ = 32163070752. Its totient is φ = 13401279440.

The previous prime is 22112111107. The next prime is 22112111129. The reversal of 22112111109 is 90111121122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22112111109 - 2¹ = 22112111107 is a prime.

It is a super-2 number, since 2×22112111109² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112111107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335031954 + ... + 335032019.

It is an arithmetic number, because the mean of its divisors is an integer number (4020383844).

Almost surely, 2^22112111109 is an apocalyptic number.

It is an amenable number.

22112111109 is a deficient number, since it is larger than the sum of its proper divisors (10050959643).

22112111109 is a wasteful number, since it uses less digits than its factorization.

22112111109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670063987.

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 22112111109 in words is "twenty-two billion, one hundred twelve million, one hundred eleven thousand, one hundred nine".