111202212221009 has 16 divisors (see below), whose sum is σ = 136880006360832. Its totient is φ = 87974046019008.

The previous prime is 111202212221003. The next prime is 111202212221017. The reversal of 111202212221009 is 900122212202111.

It is a cyclic number.

It is not a de Polignac number, because 111202212221009 - 2¹⁶ = 111202212155473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111202212221003) 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 15 ways as a sum of consecutive naturals, for example, 69495509 + ... + 71077634.

It is an arithmetic number, because the mean of its divisors is an integer number (8555000397552).

Almost surely, 2^{111202212221009} is an apocalyptic number.

It is an amenable number.

111202212221009 is a deficient number, since it is larger than the sum of its proper divisors (25677794139823).

111202212221009 is a wasteful number, since it uses less digits than its factorization.

111202212221009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140581856.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 111202212221009 in words is "one hundred eleven trillion, two hundred two billion, two hundred twelve million, two hundred twenty-one thousand, nine".