13111130213121 has 16 divisors (see below), whose sum is σ = 18511930382400. Its totient is φ = 8225658398208.

The previous prime is 13111130213059. The next prime is 13111130213143. The reversal of 13111130213121 is 12131203111131.

It is not a de Polignac number, because 13111130213121 - 2¹¹ = 13111130211073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13111130213521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14125636 + ... + 15025173.

It is an arithmetic number, because the mean of its divisors is an integer number (1156995648900).

Almost surely, 2^{13111130213121} is an apocalyptic number.

It is an amenable number.

13111130213121 is a deficient number, since it is larger than the sum of its proper divisors (5400800169279).

13111130213121 is a wasteful number, since it uses less digits than its factorization.

13111130213121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29159648.

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

Adding to 13111130213121 its reverse (12131203111131), we get a palindrome (25242333324252).

The spelling of 13111130213121 in words is "thirteen trillion, one hundred eleven billion, one hundred thirty million, two hundred thirteen thousand, one hundred twenty-one".