13111131221301 has 16 divisors (see below), whose sum is σ = 17990547720768. Its totient is φ = 8487196704000.

The previous prime is 13111131221291. The next prime is 13111131221303. The reversal of 13111131221301 is 10312213111131.

It is not a de Polignac number, because 13111131221301 - 2¹¹ = 13111131219253 is a prime.

It is a super-3 number, since 3×13111131221301³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13111131221303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120228900 + ... + 120337901.

It is an arithmetic number, because the mean of its divisors is an integer number (1124409232548).

Almost surely, 2^{13111131221301} is an apocalyptic number.

It is an amenable number.

13111131221301 is a deficient number, since it is larger than the sum of its proper divisors (4879416499467).

13111131221301 is a wasteful number, since it uses less digits than its factorization.

13111131221301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240567332.

The product of its (nonzero) digits is 108, while the sum is 21.

Adding to 13111131221301 its reverse (10312213111131), we get a palindrome (23423344332432).

The spelling of 13111131221301 in words is "thirteen trillion, one hundred eleven billion, one hundred thirty-one million, two hundred twenty-one thousand, three hundred one".