22221100100111 has 16 divisors (see below), whose sum is σ = 24252467914368. Its totient is φ = 20191612375200.

The previous prime is 22221100100041. The next prime is 22221100100113. The reversal of 22221100100111 is 11100100112222.

It is a cyclic number.

It is not a de Polignac number, because 22221100100111 - 2²⁶ = 22221032991247 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 (22221100100113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230014760 + ... + 230111346.

It is an arithmetic number, because the mean of its divisors is an integer number (1515779244648).

Almost surely, 2^{22221100100111} is an apocalyptic number.

22221100100111 is a deficient number, since it is larger than the sum of its proper divisors (2031367814257).

22221100100111 is a wasteful number, since it uses less digits than its factorization.

22221100100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106102.

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

Adding to 22221100100111 its reverse (11100100112222), we get a palindrome (33321200212333).

The spelling of 22221100100111 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred million, one hundred thousand, one hundred eleven".