2201321221201 has 2 divisors, whose sum is σ = 2201321221202. Its totient is φ = 2201321221200.

The previous prime is 2201321221189. The next prime is 2201321221223. The reversal of 2201321221201 is 1021221231022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1661008017601 + 540313203600 = 1288801^2 + 735060^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201321221201 - 2²⁷ = 2201187003473 is a prime.

It is not a weakly prime, because it can be changed into another prime (2201321221241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100660610600 + 1100660610601.

It is an arithmetic number, because the mean of its divisors is an integer number (1100660610601).

Almost surely, 2^{2201321221201} is an apocalyptic number.

It is an amenable number.

2201321221201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201321221201 is an equidigital number, since it uses as much as digits as its factorization.

2201321221201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2201321221201 its reverse (1021221231022), we get a palindrome (3222542452223).

The spelling of 2201321221201 in words is "two trillion, two hundred one billion, three hundred twenty-one million, two hundred twenty-one thousand, two hundred one".