20222011121111 has 2 divisors, whose sum is σ = 20222011121112. Its totient is φ = 20222011121110.

The previous prime is 20222011121089. The next prime is 20222011121131. The reversal of 20222011121111 is 11112111022202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20222011121111 - 2²⁶ = 20221944012247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20222011121111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20222011121131) 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, 10111005560555 + 10111005560556.

It is an arithmetic number, because the mean of its divisors is an integer number (10111005560556).

Almost surely, 2^{20222011121111} is an apocalyptic number.

20222011121111 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222011121111 is an equidigital number, since it uses as much as digits as its factorization.

20222011121111 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 17.

Adding to 20222011121111 its reverse (11112111022202), we get a palindrome (31334122143313).

The spelling of 20222011121111 in words is "twenty trillion, two hundred twenty-two billion, eleven million, one hundred twenty-one thousand, one hundred eleven".