22222110020111 has 4 divisors (see below), whose sum is σ = 22260623209632. Its totient is φ = 22183596830592.

The previous prime is 22222110020057. The next prime is 22222110020113. The reversal of 22222110020111 is 11102001122222.

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

It is a cyclic number.

It is not a de Polignac number, because 22222110020111 - 2³⁴ = 22204930150927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22222110020111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222110020113) 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, 19256593895 + ... + 19256595048.

It is an arithmetic number, because the mean of its divisors is an integer number (5565155802408).

Almost surely, 2^{22222110020111} is an apocalyptic number.

22222110020111 is a deficient number, since it is larger than the sum of its proper divisors (38513189521).

22222110020111 is an equidigital number, since it uses as much as digits as its factorization.

22222110020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38513189520.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22222110020111 its reverse (11102001122222), we get a palindrome (33324111142333).

The spelling of 22222110020111 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred ten million, twenty thousand, one hundred eleven".