12212211021001 has 2 divisors, whose sum is σ = 12212211021002. Its totient is φ = 12212211021000.

The previous prime is 12212211020957. The next prime is 12212211021013. The reversal of 12212211021001 is 10012011221221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10392248137401 + 1819962883600 = 3223701^2 + 1349060^2 .

It is a cyclic number.

It is not a de Polignac number, because 12212211021001 - 2³⁷ = 12074772067529 is a prime.

It is not a weakly prime, because it can be changed into another prime (12212211021071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106105510500 + 6106105510501.

It is an arithmetic number, because the mean of its divisors is an integer number (6106105510501).

Almost surely, 2^{12212211021001} is an apocalyptic number.

It is an amenable number.

12212211021001 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212211021001 is an equidigital number, since it uses as much as digits as its factorization.

12212211021001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12212211021001 its reverse (10012011221221), we get a palindrome (22224222242222).

The spelling of 12212211021001 in words is "twelve trillion, two hundred twelve billion, two hundred eleven million, twenty-one thousand, one".