220111200211 has 4 divisors (see below), whose sum is σ = 251555657392. Its totient is φ = 188666743032.

The previous prime is 220111200157. The next prime is 220111200227. The reversal of 220111200211 is 112002111022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220111200211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220111200191 and 220111200200.

It is not an unprimeable number, because it can be changed into a prime (220111200241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15722228580 + ... + 15722228593.

It is an arithmetic number, because the mean of its divisors is an integer number (62888914348).

Almost surely, 2^220111200211 is an apocalyptic number.

220111200211 is a deficient number, since it is larger than the sum of its proper divisors (31444457181).

220111200211 is an equidigital number, since it uses as much as digits as its factorization.

220111200211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31444457180.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 220111200211 its reverse (112002111022), we get a palindrome (332113311233).

The spelling of 220111200211 in words is "two hundred twenty billion, one hundred eleven million, two hundred thousand, two hundred eleven".