12113030021331 has 4 divisors (see below), whose sum is σ = 16150706695112. Its totient is φ = 8075353347552.

The previous prime is 12113030021273. The next prime is 12113030021381. The reversal of 12113030021331 is 13312003031121.

It is a happy number.

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

It is not a de Polignac number, because 12113030021331 - 2¹⁰ = 12113030020307 is a prime.

It is a super-2 number, since 2×12113030021331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12113030021298 and 12113030021307.

It is not an unprimeable number, because it can be changed into a prime (12113030021381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2018838336886 + ... + 2018838336891.

It is an arithmetic number, because the mean of its divisors is an integer number (4037676673778).

Almost surely, 2^{12113030021331} is an apocalyptic number.

12113030021331 is a deficient number, since it is larger than the sum of its proper divisors (4037676673781).

12113030021331 is an equidigital number, since it uses as much as digits as its factorization.

12113030021331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4037676673780.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 12113030021331 its reverse (13312003031121), we get a palindrome (25425033052452).

The spelling of 12113030021331 in words is "twelve trillion, one hundred thirteen billion, thirty million, twenty-one thousand, three hundred thirty-one".