12201000221101 has 2 divisors, whose sum is σ = 12201000221102. Its totient is φ = 12201000221100.

The previous prime is 12201000221089. The next prime is 12201000221117. The reversal of 12201000221101 is 10112200010221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6905359118025 + 5295641103076 = 2627805^2 + 2301226^2 .

It is a cyclic number.

It is not a de Polignac number, because 12201000221101 - 2¹¹ = 12201000219053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12201000221131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100500110550 + 6100500110551.

It is an arithmetic number, because the mean of its divisors is an integer number (6100500110551).

Almost surely, 2^{12201000221101} is an apocalyptic number.

It is an amenable number.

12201000221101 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201000221101 is an equidigital number, since it uses as much as digits as its factorization.

12201000221101 is an evil number, because the sum of its binary digits is even.

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

Adding to 12201000221101 its reverse (10112200010221), we get a palindrome (22313200231322).

The spelling of 12201000221101 in words is "twelve trillion, two hundred one billion, two hundred twenty-one thousand, one hundred one".