22111202221111 has 8 divisors (see below), whose sum is σ = 23453893252080. Its totient is φ = 20773181420928.

The previous prime is 22111202221093. The next prime is 22111202221117. The reversal of 22111202221111 is 11112220211122.

It is a happy number.

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 22111202221111 - 2⁹ = 22111202220599 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 (22111202221117) 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, 1167547941 + ... + 1167566878.

It is an arithmetic number, because the mean of its divisors is an integer number (2931736656510).

Almost surely, 2^{22111202221111} is an apocalyptic number.

22111202221111 is a deficient number, since it is larger than the sum of its proper divisors (1342691030969).

22111202221111 is a wasteful number, since it uses less digits than its factorization.

22111202221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335115393.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 22111202221111 its reverse (11112220211122), we get a palindrome (33223422432233).

The spelling of 22111202221111 in words is "twenty-two trillion, one hundred eleven billion, two hundred two million, two hundred twenty-one thousand, one hundred eleven".