12011330112101 has 4 divisors (see below), whose sum is σ = 12425513909100. Its totient is φ = 11597146315104.

The previous prime is 12011330112059. The next prime is 12011330112109. The reversal of 12011330112101 is 10121103311021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2037039708001 + 9974290404100 = 1427249^2 + 3158210^2 .

It is a cyclic number.

It is not a de Polignac number, because 12011330112101 - 2¹⁸ = 12011329849957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12011330112101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011330112109) 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, 207091898456 + ... + 207091898513.

It is an arithmetic number, because the mean of its divisors is an integer number (3106378477275).

Almost surely, 2^{12011330112101} is an apocalyptic number.

It is an amenable number.

12011330112101 is a deficient number, since it is larger than the sum of its proper divisors (414183796999).

12011330112101 is an equidigital number, since it uses as much as digits as its factorization.

12011330112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414183796998.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 12011330112101 its reverse (10121103311021), we get a palindrome (22132433423122).

The spelling of 12011330112101 in words is "twelve trillion, eleven billion, three hundred thirty million, one hundred twelve thousand, one hundred one".