22112001109 has 4 divisors (see below), whose sum is σ = 24122183040. Its totient is φ = 20101819180.

The previous prime is 22112001101. The next prime is 22112001137. The reversal of 22112001109 is 90110021122.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22112001109 - 2³ = 22112001101 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 (22112001101) 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 3 ways as a sum of consecutive naturals, for example, 1005090949 + ... + 1005090970.

It is an arithmetic number, because the mean of its divisors is an integer number (6030545760).

Almost surely, 2^22112001109 is an apocalyptic number.

It is an amenable number.

22112001109 is a deficient number, since it is larger than the sum of its proper divisors (2010181931).

22112001109 is a wasteful number, since it uses less digits than its factorization.

22112001109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010181930.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 22112001109 in words is "twenty-two billion, one hundred twelve million, one thousand, one hundred nine".