11001120312123 has 16 divisors (see below), whose sum is σ = 17155743177600. Its totient is φ = 6948075986280.

The previous prime is 11001120312109. The next prime is 11001120312157. The reversal of 11001120312123 is 32121302110011.

11001120312123 is a `hidden beast` number, since 110 + 0 + 1 + 120 + 312 + 123 = 666.

11001120312123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11001120312123 - 2²² = 11001116117819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11001120312096 and 11001120312105.

It is not an unprimeable number, because it can be changed into a prime (11001120312023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10722338973 + ... + 10722339998.

It is an arithmetic number, because the mean of its divisors is an integer number (1072233948600).

Almost surely, 2^{11001120312123} is an apocalyptic number.

11001120312123 is a deficient number, since it is larger than the sum of its proper divisors (6154622865477).

11001120312123 is a wasteful number, since it uses less digits than its factorization.

11001120312123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21444678999 (or 21444678993 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 11001120312123 its reverse (32121302110011), we get a palindrome (43122422422134).

The spelling of 11001120312123 in words is "eleven trillion, one billion, one hundred twenty million, three hundred twelve thousand, one hundred twenty-three".