22221022022111 has 4 divisors (see below), whose sum is σ = 24241114933224. Its totient is φ = 20200929111000.

The previous prime is 22221022022099. The next prime is 22221022022179. The reversal of 22221022022111 is 11122022012222.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22221022022111 - 2⁶ = 22221022022047 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 (22221022022411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010046455540 + ... + 1010046455561.

It is an arithmetic number, because the mean of its divisors is an integer number (6060278733306).

Almost surely, 2^{22221022022111} is an apocalyptic number.

22221022022111 is a deficient number, since it is larger than the sum of its proper divisors (2020092911113).

22221022022111 is a wasteful number, since it uses less digits than its factorization.

22221022022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020092911112.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22221022022111 its reverse (11122022012222), we get a palindrome (33343044034333).

The spelling of 22221022022111 in words is "twenty-two trillion, two hundred twenty-one billion, twenty-two million, twenty-two thousand, one hundred eleven".