12030221101 has 2 divisors, whose sum is σ = 12030221102. Its totient is φ = 12030221100.

The previous prime is 12030221083. The next prime is 12030221123. The reversal of 12030221101 is 10112203021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11412648900 + 617572201 = 106830^2 + 24851^2 .

It is an emirp because it is prime and its reverse (10112203021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12030221101 - 2¹¹ = 12030219053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12030221171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6015110550 + 6015110551.

It is an arithmetic number, because the mean of its divisors is an integer number (6015110551).

Almost surely, 2^12030221101 is an apocalyptic number.

It is an amenable number.

12030221101 is a deficient number, since it is larger than the sum of its proper divisors (1).

12030221101 is an equidigital number, since it uses as much as digits as its factorization.

12030221101 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 13.

Adding to 12030221101 its reverse (10112203021), we get a palindrome (22142424122).

The spelling of 12030221101 in words is "twelve billion, thirty million, two hundred twenty-one thousand, one hundred one".