11121100120209 has 8 divisors (see below), whose sum is σ = 15472834949952. Its totient is φ = 7091716018640.

The previous prime is 11121100120133. The next prime is 11121100120211. The reversal of 11121100120209 is 90202100112111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11121100120209 - 2⁸ = 11121100119953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11121100120409) 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 in 7 ways as a sum of consecutive naturals, for example, 80587681962 + ... + 80587682099.

It is an arithmetic number, because the mean of its divisors is an integer number (1934104368744).

Almost surely, 2^{11121100120209} is an apocalyptic number.

It is an amenable number.

11121100120209 is a deficient number, since it is larger than the sum of its proper divisors (4351734829743).

11121100120209 is a wasteful number, since it uses less digits than its factorization.

11121100120209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161175364087.

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 11121100120209 in words is "eleven trillion, one hundred twenty-one billion, one hundred million, one hundred twenty thousand, two hundred nine".