11210420129 has 2 divisors, whose sum is σ = 11210420130. Its totient is φ = 11210420128.

The previous prime is 11210420069. The next prime is 11210420141. The reversal of 11210420129 is 92102401211.

11210420129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10131429025 + 1078991104 = 100655^2 + 32848^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11210420129 is a prime.

It is not a weakly prime, because it can be changed into another prime (11210420189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605210064 + 5605210065.

It is an arithmetic number, because the mean of its divisors is an integer number (5605210065).

Almost surely, 2^11210420129 is an apocalyptic number.

It is an amenable number.

11210420129 is a deficient number, since it is larger than the sum of its proper divisors (1).

11210420129 is an equidigital number, since it uses as much as digits as its factorization.

11210420129 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 23.

The spelling of 11210420129 in words is "eleven billion, two hundred ten million, four hundred twenty thousand, one hundred twenty-nine".