101000220209 has 16 divisors (see below), whose sum is σ = 116844239232. Its totient is φ = 85510497408.

The previous prime is 101000220203. The next prime is 101000220221. The reversal of 101000220209 is 902022000101.

It is a de Polignac number, because none of the positive numbers 2^k-101000220209 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (101000220203) 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, 3222317 + ... + 3253509.

It is an arithmetic number, because the mean of its divisors is an integer number (7302764952).

Almost surely, 2^101000220209 is an apocalyptic number.

It is an amenable number.

101000220209 is a deficient number, since it is larger than the sum of its proper divisors (15844019023).

101000220209 is an equidigital number, since it uses as much as digits as its factorization.

101000220209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36856.

The product of its (nonzero) digits is 72, while the sum is 17.

The spelling of 101000220209 in words is "one hundred one billion, two hundred twenty thousand, two hundred nine".