20422213432111 has 2 divisors, whose sum is σ = 20422213432112. Its totient is φ = 20422213432110.

The previous prime is 20422213432069. The next prime is 20422213432121. The reversal of 20422213432111 is 11123431222402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20422213432111 - 2²⁹ = 20421676561199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20422213432111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20422213432121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10211106716055 + 10211106716056.

It is an arithmetic number, because the mean of its divisors is an integer number (10211106716056).

Almost surely, 2^{20422213432111} is an apocalyptic number.

20422213432111 is a deficient number, since it is larger than the sum of its proper divisors (1).

20422213432111 is an equidigital number, since it uses as much as digits as its factorization.

20422213432111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 20422213432111 its reverse (11123431222402), we get a palindrome (31545644654513).

The spelling of 20422213432111 in words is "twenty trillion, four hundred twenty-two billion, two hundred thirteen million, four hundred thirty-two thousand, one hundred eleven".