11301112121111 has 4 divisors (see below), whose sum is σ = 11514340651752. Its totient is φ = 11087883590472.

The previous prime is 11301112121077. The next prime is 11301112121141. The reversal of 11301112121111 is 11112121110311.

11301112121111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11301112121111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11301112121111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11301112121141) 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, 106614265241 + ... + 106614265346.

It is an arithmetic number, because the mean of its divisors is an integer number (2878585162938).

Almost surely, 2^{11301112121111} is an apocalyptic number.

11301112121111 is a deficient number, since it is larger than the sum of its proper divisors (213228530641).

11301112121111 is an equidigital number, since it uses as much as digits as its factorization.

11301112121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213228530640.

The product of its (nonzero) digits is 12, while the sum is 17.

Adding to 11301112121111 its reverse (11112121110311), we get a palindrome (22413233231422).

The spelling of 11301112121111 in words is "eleven trillion, three hundred one billion, one hundred twelve million, one hundred twenty-one thousand, one hundred eleven".