22202021111 has 2 divisors, whose sum is σ = 22202021112. Its totient is φ = 22202021110.

The previous prime is 22202021089. The next prime is 22202021117. The reversal of 22202021111 is 11112020222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22202021111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22202021117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11101010555 + 11101010556.

It is an arithmetic number, because the mean of its divisors is an integer number (11101010556).

Almost surely, 2^22202021111 is an apocalyptic number.

22202021111 is a deficient number, since it is larger than the sum of its proper divisors (1).

22202021111 is an equidigital number, since it uses as much as digits as its factorization.

22202021111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22202021111 its reverse (11112020222), we get a palindrome (33314041333).

It can be divided in two parts, 222020211 and 11, that added together give a palindrome (222020222).

The spelling of 22202021111 in words is "twenty-two billion, two hundred two million, twenty-one thousand, one hundred eleven".