11333112121013 has 4 divisors (see below), whose sum is σ = 11335713252780. Its totient is φ = 11330510989248.

The previous prime is 11333112120997. The next prime is 11333112121027. The reversal of 11333112121013 is 31012121133311.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9657532029649 + 1675580091364 = 3107657^2 + 1294442^2 .

It is a cyclic number.

It is not a de Polignac number, because 11333112121013 - 2⁴ = 11333112120997 is a prime.

It is a super-2 number, since 2×11333112121013² (a number of 27 digits) contains 22 as substring.

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 11333112121013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11333112121313) 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 in 3 ways as a sum of consecutive naturals, for example, 1300559348 + ... + 1300568061.

It is an arithmetic number, because the mean of its divisors is an integer number (2833928313195).

Almost surely, 2^{11333112121013} is an apocalyptic number.

It is an amenable number.

11333112121013 is a deficient number, since it is larger than the sum of its proper divisors (2601131767).

11333112121013 is an equidigital number, since it uses as much as digits as its factorization.

11333112121013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2601131766.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 11333112121013 its reverse (31012121133311), we get a palindrome (42345233254324).

The spelling of 11333112121013 in words is "eleven trillion, three hundred thirty-three billion, one hundred twelve million, one hundred twenty-one thousand, thirteen".