13112310221121 has 16 divisors (see below), whose sum is σ = 17958491584704. Its totient is φ = 8503910702784.

The previous prime is 13112310221119. The next prime is 13112310221149. The reversal of 13112310221121 is 12112201321131.

It is not a de Polignac number, because 13112310221121 - 2¹ = 13112310221119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13112310223121) 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, 8833386 + ... + 10210451.

It is an arithmetic number, because the mean of its divisors is an integer number (1122405724044).

Almost surely, 2^{13112310221121} is an apocalyptic number.

It is an amenable number.

13112310221121 is a deficient number, since it is larger than the sum of its proper divisors (4846181363583).

13112310221121 is a wasteful number, since it uses less digits than its factorization.

13112310221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19050080.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 13112310221121 its reverse (12112201321131), we get a palindrome (25224511542252).

The spelling of 13112310221121 in words is "thirteen trillion, one hundred twelve billion, three hundred ten million, two hundred twenty-one thousand, one hundred twenty-one".