11333111123 has 2 divisors, whose sum is σ = 11333111124. Its totient is φ = 11333111122.

The previous prime is 11333111117. The next prime is 11333111197. The reversal of 11333111123 is 32111133311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11333111123 - 2⁶ = 11333111059 is a prime.

It is a super-2 number, since 2×11333111123² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11333111095 and 11333111104.

It is not a weakly prime, because it can be changed into another prime (11333111113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5666555561 + 5666555562.

It is an arithmetic number, because the mean of its divisors is an integer number (5666555562).

Almost surely, 2^11333111123 is an apocalyptic number.

11333111123 is a deficient number, since it is larger than the sum of its proper divisors (1).

11333111123 is an equidigital number, since it uses as much as digits as its factorization.

11333111123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162, while the sum is 20.

Adding to 11333111123 its reverse (32111133311), we get a palindrome (43444244434).

The spelling of 11333111123 in words is "eleven billion, three hundred thirty-three million, one hundred eleven thousand, one hundred twenty-three".