11122102109 has 2 divisors, whose sum is σ = 11122102110. Its totient is φ = 11122102108.

The previous prime is 11122102063. The next prime is 11122102141. The reversal of 11122102109 is 90120122111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7137715225 + 3984386884 = 84485^2 + 63122^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11122102109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11122102009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561051054 + 5561051055.

It is an arithmetic number, because the mean of its divisors is an integer number (5561051055).

Almost surely, 2^11122102109 is an apocalyptic number.

It is an amenable number.

11122102109 is a deficient number, since it is larger than the sum of its proper divisors (1).

11122102109 is an equidigital number, since it uses as much as digits as its factorization.

11122102109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 11122102109 in words is "eleven billion, one hundred twenty-two million, one hundred two thousand, one hundred nine".