22102020111 has 4 divisors (see below), whose sum is σ = 29469360152. Its totient is φ = 14734680072.

The previous prime is 22102020103. The next prime is 22102020151. The reversal of 22102020111 is 11102020122.

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

It is not a de Polignac number, because 22102020111 - 2³ = 22102020103 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 (22102020151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3683670016 + ... + 3683670021.

It is an arithmetic number, because the mean of its divisors is an integer number (7367340038).

Almost surely, 2^22102020111 is an apocalyptic number.

22102020111 is a deficient number, since it is larger than the sum of its proper divisors (7367340041).

22102020111 is an equidigital number, since it uses as much as digits as its factorization.

22102020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7367340040.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22102020111 its reverse (11102020122), we get a palindrome (33204040233).

The spelling of 22102020111 in words is "twenty-two billion, one hundred two million, twenty thousand, one hundred eleven".