22110221111 has 8 divisors (see below), whose sum is σ = 24124255248. Its totient is φ = 20096856000.

The previous prime is 22110221071. The next prime is 22110221113. The reversal of 22110221111 is 11112201122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22110221111 is a prime.

It is a super-4 number, since 4×22110221111⁴ (a number of 42 digits) contains 4444 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 (22110221113) 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, 96860 + ... + 231521.

It is an arithmetic number, because the mean of its divisors is an integer number (3015531906).

Almost surely, 2^22110221111 is an apocalyptic number.

22110221111 is a deficient number, since it is larger than the sum of its proper divisors (2014034137).

22110221111 is a wasteful number, since it uses less digits than its factorization.

22110221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334513.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22110221111 its reverse (11112201122), we get a palindrome (33222422233).

The spelling of 22110221111 in words is "twenty-two billion, one hundred ten million, two hundred twenty-one thousand, one hundred eleven".