12011011221103 has 2 divisors, whose sum is σ = 12011011221104. Its totient is φ = 12011011221102.

The previous prime is 12011011221101. The next prime is 12011011221107. The reversal of 12011011221103 is 30112211011021.

It is a happy number.

12011011221103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12011011221103 - 2¹ = 12011011221101 is a prime.

Together with 12011011221101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12011011221101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005505610551 + 6005505610552.

It is an arithmetic number, because the mean of its divisors is an integer number (6005505610552).

Almost surely, 2^{12011011221103} is an apocalyptic number.

12011011221103 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011011221103 is an equidigital number, since it uses as much as digits as its factorization.

12011011221103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 12011011221103 its reverse (30112211011021), we get a palindrome (42123222232124).

The spelling of 12011011221103 in words is "twelve trillion, eleven billion, eleven million, two hundred twenty-one thousand, one hundred three".