220001210112209 has 16 divisors (see below), whose sum is σ = 223438542888960. Its totient is φ = 216587797002240.

The previous prime is 220001210112163. The next prime is 220001210112239. The reversal of 220001210112209 is 902211012100022.

It is a cyclic number.

It is not a de Polignac number, because 220001210112209 - 2²⁰ = 220001209063633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220001210112239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 887374937 + ... + 887622825.

It is an arithmetic number, because the mean of its divisors is an integer number (13964908930560).

Almost surely, 2^{220001210112209} is an apocalyptic number.

It is an amenable number.

220001210112209 is a deficient number, since it is larger than the sum of its proper divisors (3437332776751).

220001210112209 is a wasteful number, since it uses less digits than its factorization.

220001210112209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296080.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 220001210112209 in words is "two hundred twenty trillion, one billion, two hundred ten million, one hundred twelve thousand, two hundred nine".