222100110212209 has 16 divisors (see below), whose sum is σ = 224898439993920. Its totient is φ = 219316638804480.

The previous prime is 222100110212173. The next prime is 222100110212237. The reversal of 222100110212209 is 902212011001222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 222100110212209 - 2⁷ = 222100110212081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222100110212249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202004134 + ... + 203100640.

It is an arithmetic number, because the mean of its divisors is an integer number (14056152499620).

Almost surely, 2^{222100110212209} is an apocalyptic number.

It is an amenable number.

222100110212209 is a deficient number, since it is larger than the sum of its proper divisors (2798329781711).

222100110212209 is a wasteful number, since it uses less digits than its factorization.

222100110212209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103280.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 222100110212209 in words is "two hundred twenty-two trillion, one hundred billion, one hundred ten million, two hundred twelve thousand, two hundred nine".