210111022220209 has 8 divisors (see below), whose sum is σ = 229212131552640. Its totient is φ = 191009930773200.

The previous prime is 210111022220201. The next prime is 210111022220311. The reversal of 210111022220209 is 902022220111012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 210111022220209 - 2³ = 210111022220201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210111022220201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36088104 + ... + 41503894.

It is an arithmetic number, because the mean of its divisors is an integer number (28651516444080).

Almost surely, 2^{210111022220209} is an apocalyptic number.

It is an amenable number.

210111022220209 is a deficient number, since it is larger than the sum of its proper divisors (19101109332431).

210111022220209 is a wasteful number, since it uses less digits than its factorization.

210111022220209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8942711.

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

The spelling of 210111022220209 in words is "two hundred ten trillion, one hundred eleven billion, twenty-two million, two hundred twenty thousand, two hundred nine".