22021112110209 has 4 divisors (see below), whose sum is σ = 29361482813616. Its totient is φ = 14680741406804.

The previous prime is 22021112110201. The next prime is 22021112110259. The reversal of 22021112110209 is 90201121112022.

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 22021112110209 - 2³ = 22021112110201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22021112110201) 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, 3670185351699 + ... + 3670185351704.

It is an arithmetic number, because the mean of its divisors is an integer number (7340370703404).

Almost surely, 2^{22021112110209} is an apocalyptic number.

It is an amenable number.

22021112110209 is a deficient number, since it is larger than the sum of its proper divisors (7340370703407).

22021112110209 is an equidigital number, since it uses as much as digits as its factorization.

22021112110209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7340370703406.

The product of its (nonzero) digits is 288, while the sum is 24.

The spelling of 22021112110209 in words is "twenty-two trillion, twenty-one billion, one hundred twelve million, one hundred ten thousand, two hundred nine".