20222201122111 has 2 divisors, whose sum is σ = 20222201122112. Its totient is φ = 20222201122110.

The previous prime is 20222201122091. The next prime is 20222201122139. The reversal of 20222201122111 is 11122110222202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20222201122111 - 2²⁹ = 20221664251199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20222201122811) 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, 10111100561055 + 10111100561056.

It is an arithmetic number, because the mean of its divisors is an integer number (10111100561056).

Almost surely, 2^{20222201122111} is an apocalyptic number.

20222201122111 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222201122111 is an equidigital number, since it uses as much as digits as its factorization.

20222201122111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 20222201122111 its reverse (11122110222202), we get a palindrome (31344311344313).

The spelling of 20222201122111 in words is "twenty trillion, two hundred twenty-two billion, two hundred one million, one hundred twenty-two thousand, one hundred eleven".