11123211221313 has 32 divisors (see below), whose sum is σ = 15131427886080. Its totient is φ = 7267087164480.

The previous prime is 11123211221281. The next prime is 11123211221323. The reversal of 11123211221313 is 31312211232111.

It is not a de Polignac number, because 11123211221313 - 2⁵ = 11123211221281 is a prime.

It is a super-3 number, since 3×11123211221313³ (a number of 40 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11123211221323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12912948 + ... + 13747386.

It is an arithmetic number, because the mean of its divisors is an integer number (472857121440).

Almost surely, 2^{11123211221313} is an apocalyptic number.

It is an amenable number.

11123211221313 is a deficient number, since it is larger than the sum of its proper divisors (4008216664767).

11123211221313 is a wasteful number, since it uses less digits than its factorization.

11123211221313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834997.

The product of its digits is 432, while the sum is 24.

Adding to 11123211221313 its reverse (31312211232111), we get a palindrome (42435422453424).

The spelling of 11123211221313 in words is "eleven trillion, one hundred twenty-three billion, two hundred eleven million, two hundred twenty-one thousand, three hundred thirteen".