12003021101 has 2 divisors, whose sum is σ = 12003021102. Its totient is φ = 12003021100.

The previous prime is 12003021097. The next prime is 12003021103. The reversal of 12003021101 is 10112030021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11742973225 + 260047876 = 108365^2 + 16126^2 .

It is a cyclic number.

It is not a de Polignac number, because 12003021101 - 2² = 12003021097 is a prime.

Together with 12003021103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12003021103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6001510550 + 6001510551.

It is an arithmetic number, because the mean of its divisors is an integer number (6001510551).

Almost surely, 2^12003021101 is an apocalyptic number.

It is an amenable number.

12003021101 is a deficient number, since it is larger than the sum of its proper divisors (1).

12003021101 is an equidigital number, since it uses as much as digits as its factorization.

12003021101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 12003021101 its reverse (10112030021), we get a palindrome (22115051122).

The spelling of 12003021101 in words is "twelve billion, three million, twenty-one thousand, one hundred one".