11112101123 has 8 divisors (see below), whose sum is σ = 11303852400. Its totient is φ = 10920463648.

The previous prime is 11112101107. The next prime is 11112101167. The reversal of 11112101123 is 32110121111.

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 11112101123 - 2⁴ = 11112101107 is a prime.

It is a super-2 number, since 2×11112101123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11112101098 and 11112101107.

It is not an unprimeable number, because it can be changed into a prime (11112101723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181793 + ... + 235101.

It is an arithmetic number, because the mean of its divisors is an integer number (1412981550).

Almost surely, 2^11112101123 is an apocalyptic number.

11112101123 is a deficient number, since it is larger than the sum of its proper divisors (191751277).

11112101123 is an equidigital number, since it uses as much as digits as its factorization.

11112101123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56901.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 11112101123 its reverse (32110121111), we get a palindrome (43222222234).

The spelling of 11112101123 in words is "eleven billion, one hundred twelve million, one hundred one thousand, one hundred twenty-three".