22112001102109 has 4 divisors (see below), whose sum is σ = 22113591793020. Its totient is φ = 22110410411200.

The previous prime is 22112001102013. The next prime is 22112001102127. The reversal of 22112001102109 is 90120110021122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11452572747225 + 10659428354884 = 3384165^2 + 3264878^2 .

It is a cyclic number.

It is not a de Polignac number, because 22112001102109 - 2³³ = 22103411167517 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22112001102109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112001102409) 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, 795324604 + ... + 795352405.

It is an arithmetic number, because the mean of its divisors is an integer number (5528397948255).

Almost surely, 2^{22112001102109} is an apocalyptic number.

It is an amenable number.

22112001102109 is a deficient number, since it is larger than the sum of its proper divisors (1590690911).

22112001102109 is a wasteful number, since it uses less digits than its factorization.

22112001102109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590690910.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 22112001102109 in words is "twenty-two trillion, one hundred twelve billion, one million, one hundred two thousand, one hundred nine".