11121099923 has 2 divisors, whose sum is σ = 11121099924. Its totient is φ = 11121099922.

The previous prime is 11121099917. The next prime is 11121100009. The reversal of 11121099923 is 32999012111.

11121099923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11121099923 - 2¹⁰ = 11121098899 is a prime.

It is not a weakly prime, because it can be changed into another prime (11121099523) 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, 5560549961 + 5560549962.

It is an arithmetic number, because the mean of its divisors is an integer number (5560549962).

Almost surely, 2^11121099923 is an apocalyptic number.

11121099923 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121099923 is an equidigital number, since it uses as much as digits as its factorization.

11121099923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 38.

The spelling of 11121099923 in words is "eleven billion, one hundred twenty-one million, ninety-nine thousand, nine hundred twenty-three".