11013123013111 has 4 divisors (see below), whose sum is σ = 11368385045824. Its totient is φ = 10657860980400.

The previous prime is 11013123013093. The next prime is 11013123013121. The reversal of 11013123013111 is 11131032131011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11013123013111 - 2²¹ = 11013120915959 is a prime.

It is a super-2 number, since 2×11013123013111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11013123013121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177631016310 + ... + 177631016371.

It is an arithmetic number, because the mean of its divisors is an integer number (2842096261456).

Almost surely, 2^{11013123013111} is an apocalyptic number.

11013123013111 is a deficient number, since it is larger than the sum of its proper divisors (355262032713).

11013123013111 is an equidigital number, since it uses as much as digits as its factorization.

11013123013111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355262032712.

The product of its (nonzero) digits is 54, while the sum is 19.

Adding to 11013123013111 its reverse (11131032131011), we get a palindrome (22144155144122).

The spelling of 11013123013111 in words is "eleven trillion, thirteen billion, one hundred twenty-three million, thirteen thousand, one hundred eleven".