2221313420201 has 2 divisors, whose sum is σ = 2221313420202. Its totient is φ = 2221313420200.

The previous prime is 2221313420197. The next prime is 2221313420243. The reversal of 2221313420201 is 1020243131222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2184554944576 + 36758475625 = 1478024^2 + 191725^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221313420201 - 2² = 2221313420197 is a prime.

It is not a weakly prime, because it can be changed into another prime (2221313420101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110656710100 + 1110656710101.

It is an arithmetic number, because the mean of its divisors is an integer number (1110656710101).

Almost surely, 2^{2221313420201} is an apocalyptic number.

It is an amenable number.

2221313420201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221313420201 is an equidigital number, since it uses as much as digits as its factorization.

2221313420201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2221313420201 its reverse (1020243131222), we get a palindrome (3241556551423).

The spelling of 2221313420201 in words is "two trillion, two hundred twenty-one billion, three hundred thirteen million, four hundred twenty thousand, two hundred one".