22012110121129 has 2 divisors, whose sum is σ = 22012110121130. Its totient is φ = 22012110121128.

The previous prime is 22012110121097. The next prime is 22012110121153. The reversal of 22012110121129 is 92112101121022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21111038355625 + 901071765504 = 4594675^2 + 949248^2 .

It is a cyclic number.

It is not a de Polignac number, because 22012110121129 - 2⁵ = 22012110121097 is a prime.

It is not a weakly prime, because it can be changed into another prime (22012110124129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006055060564 + 11006055060565.

It is an arithmetic number, because the mean of its divisors is an integer number (11006055060565).

Almost surely, 2^{22012110121129} is an apocalyptic number.

It is an amenable number.

22012110121129 is a deficient number, since it is larger than the sum of its proper divisors (1).

22012110121129 is an equidigital number, since it uses as much as digits as its factorization.

22012110121129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 22012110121129 in words is "twenty-two trillion, twelve billion, one hundred ten million, one hundred twenty-one thousand, one hundred twenty-nine".