11121112120199 has 4 divisors (see below), whose sum is σ = 11255101422936. Its totient is φ = 10987122817464.

The previous prime is 11121112120187. The next prime is 11121112120201. The reversal of 11121112120199 is 99102121112111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11121112120199 - 2³⁶ = 11052392643463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121112120159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66994651244 + ... + 66994651409.

It is an arithmetic number, because the mean of its divisors is an integer number (2813775355734).

Almost surely, 2^{11121112120199} is an apocalyptic number.

11121112120199 is a deficient number, since it is larger than the sum of its proper divisors (133989302737).

11121112120199 is an equidigital number, since it uses as much as digits as its factorization.

11121112120199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133989302736.

The product of its (nonzero) digits is 648, while the sum is 32.

The spelling of 11121112120199 in words is "eleven trillion, one hundred twenty-one billion, one hundred twelve million, one hundred twenty thousand, one hundred ninety-nine".