22112102201111 has 16 divisors (see below), whose sum is σ = 25213969216800. Its totient is φ = 19210385046528.

The previous prime is 22112102201069. The next prime is 22112102201131. The reversal of 22112102201111 is 11110220121122.

It is not a de Polignac number, because 22112102201111 - 2⁶ = 22112102201047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 22112102201111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112102201131) 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, 48920795 + ... + 49370723.

It is an arithmetic number, because the mean of its divisors is an integer number (1575873076050).

Almost surely, 2^{22112102201111} is an apocalyptic number.

22112102201111 is a deficient number, since it is larger than the sum of its proper divisors (3101867015689).

22112102201111 is a wasteful number, since it uses less digits than its factorization.

22112102201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672338.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 22112102201111 its reverse (11110220121122), we get a palindrome (33222322322233).

The spelling of 22112102201111 in words is "twenty-two trillion, one hundred twelve billion, one hundred two million, two hundred one thousand, one hundred eleven".