11101001011123 has 2 divisors, whose sum is σ = 11101001011124. Its totient is φ = 11101001011122.

The previous prime is 11101001011091. The next prime is 11101001011129. The reversal of 11101001011123 is 32111010010111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11101001011123 - 2⁵ = 11101001011091 is a prime.

It is a super-2 number, since 2×11101001011123² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11101001011129) 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 as a sum of consecutive naturals, namely, 5550500505561 + 5550500505562.

It is an arithmetic number, because the mean of its divisors is an integer number (5550500505562).

Almost surely, 2^{11101001011123} is an apocalyptic number.

11101001011123 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101001011123 is an equidigital number, since it uses as much as digits as its factorization.

11101001011123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 11101001011123 its reverse (32111010010111), we get a palindrome (43212011021234).

The spelling of 11101001011123 in words is "eleven trillion, one hundred one billion, one million, eleven thousand, one hundred twenty-three".