111122212201009 has 4 divisors (see below), whose sum is σ = 111380036359680. Its totient is φ = 110864388042340.

The previous prime is 111122212201003. The next prime is 111122212201051. The reversal of 111122212201009 is 900102212221111.

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 111122212201009 - 2⁹ = 111122212200497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111122212201003) 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, 128912078689 + ... + 128912079550.

It is an arithmetic number, because the mean of its divisors is an integer number (27845009089920).

Almost surely, 2^{111122212201009} is an apocalyptic number.

It is an amenable number.

111122212201009 is a deficient number, since it is larger than the sum of its proper divisors (257824158671).

111122212201009 is an equidigital number, since it uses as much as digits as its factorization.

111122212201009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257824158670.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 111122212201009 in words is "one hundred eleven trillion, one hundred twenty-two billion, two hundred twelve million, two hundred one thousand, nine".