12201001102021 has 2 divisors, whose sum is σ = 12201001102022. Its totient is φ = 12201001102020.

The previous prime is 12201001102007. The next prime is 12201001102027. The reversal of 12201001102021 is 12020110010221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9085461924100 + 3115539177921 = 3014210^2 + 1765089^2 .

It is a cyclic number.

It is not a de Polignac number, because 12201001102021 - 2³³ = 12192411167429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12201001101992 and 12201001102010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12201001102027) 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, 6100500551010 + 6100500551011.

It is an arithmetic number, because the mean of its divisors is an integer number (6100500551011).

Almost surely, 2^{12201001102021} is an apocalyptic number.

It is an amenable number.

12201001102021 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201001102021 is an equidigital number, since it uses as much as digits as its factorization.

12201001102021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12201001102021 its reverse (12020110010221), we get a palindrome (24221111112242).

The spelling of 12201001102021 in words is "twelve trillion, two hundred one billion, one million, one hundred two thousand, twenty-one".