1101122199509 has 2 divisors, whose sum is σ = 1101122199510. Its totient is φ = 1101122199508.

The previous prime is 1101122199467. The next prime is 1101122199511. The reversal of 1101122199509 is 9059912211011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 887558062609 + 213564136900 = 942103^2 + 462130^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101122199509 - 2¹² = 1101122195413 is a prime.

Together with 1101122199511, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101122199209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550561099754 + 550561099755.

It is an arithmetic number, because the mean of its divisors is an integer number (550561099755).

Almost surely, 2^{1101122199509} is an apocalyptic number.

It is an amenable number.

1101122199509 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101122199509 is an equidigital number, since it uses as much as digits as its factorization.

1101122199509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 41.

The spelling of 1101122199509 in words is "one trillion, one hundred one billion, one hundred twenty-two million, one hundred ninety-nine thousand, five hundred nine".