220100222111 has 8 divisors (see below), whose sum is σ = 274410666624. Its totient is φ = 171506666520.

The previous prime is 220100222107. The next prime is 220100222149. The reversal of 220100222111 is 111222001022.

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

It is not a de Polignac number, because 220100222111 - 2² = 220100222107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220100222191) 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, 1429222145 + ... + 1429222298.

It is an arithmetic number, because the mean of its divisors is an integer number (34301333328).

Almost surely, 2^220100222111 is an apocalyptic number.

220100222111 is a deficient number, since it is larger than the sum of its proper divisors (54310444513).

220100222111 is a wasteful number, since it uses less digits than its factorization.

220100222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2858444461.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220100222111 its reverse (111222001022), we get a palindrome (331322223133).

Subtracting from 220100222111 its reverse (111222001022), we obtain a square (108878221089 = 329967²).

The spelling of 220100222111 in words is "two hundred twenty billion, one hundred million, two hundred twenty-two thousand, one hundred eleven".