11422120109 has 2 divisors, whose sum is σ = 11422120110. Its totient is φ = 11422120108.

The previous prime is 11422120093. The next prime is 11422120139. The reversal of 11422120109 is 90102122411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6177174025 + 5244946084 = 78595^2 + 72422^2 .

It is a cyclic number.

It is not a de Polignac number, because 11422120109 - 2⁴ = 11422120093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11422120139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5711060054 + 5711060055.

It is an arithmetic number, because the mean of its divisors is an integer number (5711060055).

Almost surely, 2^11422120109 is an apocalyptic number.

It is an amenable number.

11422120109 is a deficient number, since it is larger than the sum of its proper divisors (1).

11422120109 is an equidigital number, since it uses as much as digits as its factorization.

11422120109 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 11422120109 in words is "eleven billion, four hundred twenty-two million, one hundred twenty thousand, one hundred nine".