12011010001103 has 4 divisors (see below), whose sum is σ = 12014317911648. Its totient is φ = 12007702090560.

The previous prime is 12011010001093. The next prime is 12011010001153. The reversal of 12011010001103 is 30110001011021.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12011010001103 - 2⁴ = 12011010001087 is a prime.

It is a super-2 number, since 2×12011010001103² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011010001153) 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, 1653949826 + ... + 1653957087.

It is an arithmetic number, because the mean of its divisors is an integer number (3003579477912).

Almost surely, 2^{12011010001103} is an apocalyptic number.

12011010001103 is a deficient number, since it is larger than the sum of its proper divisors (3307910545).

12011010001103 is an equidigital number, since it uses as much as digits as its factorization.

12011010001103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3307910544.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 12011010001103 its reverse (30110001011021), we get a palindrome (42121011012124).

The spelling of 12011010001103 in words is "twelve trillion, eleven billion, ten million, one thousand, one hundred three".