220111111111209 has 24 divisors (see below), whose sum is σ = 307034345274720. Its totient is φ = 140251816068672.

The previous prime is 220111111111159. The next prime is 220111111111303. The reversal of 220111111111209 is 902111111111022.

It is not a de Polignac number, because 220111111111209 - 2²⁰ = 220111110062633 is a prime.

It is a super-2 number, since 2×220111111111209² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220111111111709) 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 23 ways as a sum of consecutive naturals, for example, 51754339 + ... + 55845624.

It is an arithmetic number, because the mean of its divisors is an integer number (12793097719780).

Almost surely, 2^{220111111111209} is an apocalyptic number.

It is an amenable number.

220111111111209 is a deficient number, since it is larger than the sum of its proper divisors (86923234163511).

220111111111209 is a wasteful number, since it uses less digits than its factorization.

220111111111209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107601301 (or 107601278 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 24.

The spelling of 220111111111209 in words is "two hundred twenty trillion, one hundred eleven billion, one hundred eleven million, one hundred eleven thousand, two hundred nine".