22021010111 has 2 divisors, whose sum is σ = 22021010112. Its totient is φ = 22021010110.

The previous prime is 22021010101. The next prime is 22021010117. The reversal of 22021010111 is 11101012022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22021010111 - 2¹⁴ = 22020993727 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 22021010092 and 22021010101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22021010117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010505055 + 11010505056.

It is an arithmetic number, because the mean of its divisors is an integer number (11010505056).

Almost surely, 2^22021010111 is an apocalyptic number.

22021010111 is a deficient number, since it is larger than the sum of its proper divisors (1).

22021010111 is an equidigital number, since it uses as much as digits as its factorization.

22021010111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 22021010111 its reverse (11101012022), we get a palindrome (33122022133).

The spelling of 22021010111 in words is "twenty-two billion, twenty-one million, ten thousand, one hundred eleven".