11101200120123 has 8 divisors (see below), whose sum is σ = 15201643407888. Its totient is φ = 7200778456224.

The previous prime is 11101200120113. The next prime is 11101200120167. The reversal of 11101200120123 is 32102100210111.

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

It is a de Polignac number, because none of the positive numbers 2^k-11101200120123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11101200120113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50005405836 + ... + 50005406057.

It is an arithmetic number, because the mean of its divisors is an integer number (1900205425986).

Almost surely, 2^{11101200120123} is an apocalyptic number.

11101200120123 is a deficient number, since it is larger than the sum of its proper divisors (4100443287765).

11101200120123 is a wasteful number, since it uses less digits than its factorization.

11101200120123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100010811933.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11101200120123 its reverse (32102100210111), we get a palindrome (43203300330234).

The spelling of 11101200120123 in words is "eleven trillion, one hundred one billion, two hundred million, one hundred twenty thousand, one hundred twenty-three".