12021103220103 has 16 divisors (see below), whose sum is σ = 17981945130240. Its totient is φ = 7936262318232.

The previous prime is 12021103220057. The next prime is 12021103220117. The reversal of 12021103220103 is 30102230112021.

12021103220103 is a `hidden beast` number, since 120 + 211 + 0 + 322 + 0 + 10 + 3 = 666.

It is not a de Polignac number, because 12021103220103 - 2¹⁸ = 12021102957959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021103220143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2161288701 + ... + 2161294262.

It is an arithmetic number, because the mean of its divisors is an integer number (1123871570640).

Almost surely, 2^{12021103220103} is an apocalyptic number.

12021103220103 is a deficient number, since it is larger than the sum of its proper divisors (5960841910137).

12021103220103 is a wasteful number, since it uses less digits than its factorization.

12021103220103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4322583075 (or 4322583069 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12021103220103 its reverse (30102230112021), we get a palindrome (42123333332124).

The spelling of 12021103220103 in words is "twelve trillion, twenty-one billion, one hundred three million, two hundred twenty thousand, one hundred three".