12111310103131 has 8 divisors (see below), whose sum is σ = 12755411784720. Its totient is φ = 11467874852352.

The previous prime is 12111310103119. The next prime is 12111310103153. The reversal of 12111310103131 is 13130101311121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12111310103131 - 2³⁵ = 12076950364763 is a prime.

It is a super-2 number, since 2×12111310103131² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12111310103099 and 12111310103108.

It is not an unprimeable number, because it can be changed into a prime (12111310103231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166570390 + ... + 166643083.

It is an arithmetic number, because the mean of its divisors is an integer number (1594426473090).

Almost surely, 2^{12111310103131} is an apocalyptic number.

12111310103131 is a deficient number, since it is larger than the sum of its proper divisors (644101681589).

12111310103131 is a wasteful number, since it uses less digits than its factorization.

12111310103131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333215405.

The product of its (nonzero) digits is 54, while the sum is 19.

Adding to 12111310103131 its reverse (13130101311121), we get a palindrome (25241411414252).

The spelling of 12111310103131 in words is "twelve trillion, one hundred eleven billion, three hundred ten million, one hundred three thousand, one hundred thirty-one".