220111020211111 has 8 divisors (see below), whose sum is σ = 230411535925248. Its totient is φ = 210010514511000.

The previous prime is 220111020211109. The next prime is 220111020211163. The reversal of 220111020211111 is 111112020111022.

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

It is a cyclic number.

It is not a de Polignac number, because 220111020211111 - 2¹ = 220111020211109 is a prime.

It is a super-2 number, since 2×220111020211111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220111020811111) 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, 50002501255 + ... + 50002505656.

It is an arithmetic number, because the mean of its divisors is an integer number (28801441990656).

Almost surely, 2^{220111020211111} is an apocalyptic number.

220111020211111 is a deficient number, since it is larger than the sum of its proper divisors (10300515714137).

220111020211111 is a wasteful number, since it uses less digits than its factorization.

220111020211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100005007013.

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

Adding to 220111020211111 its reverse (111112020111022), we get a palindrome (331223040322133).

The spelling of 220111020211111 in words is "two hundred twenty trillion, one hundred eleven billion, twenty million, two hundred eleven thousand, one hundred eleven".