12011220211103 has 8 divisors (see below), whose sum is σ = 12717807708672. Its totient is φ = 11304637728256.

The previous prime is 12011220211013. The next prime is 12011220211121. The reversal of 12011220211103 is 30111202211021.

It is a happy number.

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 12011220211103 - 2²² = 12011216016799 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011220211153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4408226 + ... + 6592032.

It is an arithmetic number, because the mean of its divisors is an integer number (1589725963584).

Almost surely, 2^{12011220211103} is an apocalyptic number.

12011220211103 is a deficient number, since it is larger than the sum of its proper divisors (706587497569).

12011220211103 is a wasteful number, since it uses less digits than its factorization.

12011220211103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2507361.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12011220211103 its reverse (30111202211021), we get a palindrome (42122422422124).

The spelling of 12011220211103 in words is "twelve trillion, eleven billion, two hundred twenty million, two hundred eleven thousand, one hundred three".