22220112020111 has 2 divisors, whose sum is σ = 22220112020112. Its totient is φ = 22220112020110.

The previous prime is 22220112020101. The next prime is 22220112020177. The reversal of 22220112020111 is 11102021102222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22220112020111 - 2¹⁰ = 22220112019087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22220112020111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22220112020101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110056010055 + 11110056010056.

It is an arithmetic number, because the mean of its divisors is an integer number (11110056010056).

Almost surely, 2^{22220112020111} is an apocalyptic number.

22220112020111 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220112020111 is an equidigital number, since it uses as much as digits as its factorization.

22220112020111 is an evil number, because the sum of its binary digits is even.

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

Adding to 22220112020111 its reverse (11102021102222), we get a palindrome (33322133122333).

The spelling of 22220112020111 in words is "twenty-two trillion, two hundred twenty billion, one hundred twelve million, twenty thousand, one hundred eleven".