221422047004201 has 2 divisors, whose sum is σ = 221422047004202. Its totient is φ = 221422047004200.

The previous prime is 221422047004187. The next prime is 221422047004237. The reversal of 221422047004201 is 102400740224122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113970143462400 + 107451903541801 = 10675680^2 + 10365901^2 .

It is a cyclic number.

It is not a de Polignac number, because 221422047004201 - 2²⁹ = 221421510133289 is a prime.

It is a super-5 number, since 5×221422047004201⁵ (a number of 73 digits) contains 55555 as substring.

It is not a weakly prime, because it can be changed into another prime (221422047004241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110711023502100 + 110711023502101.

It is an arithmetic number, because the mean of its divisors is an integer number (110711023502101).

Almost surely, 2^{221422047004201} is an apocalyptic number.

It is an amenable number.

221422047004201 is a deficient number, since it is larger than the sum of its proper divisors (1).

221422047004201 is an equidigital number, since it uses as much as digits as its factorization.

221422047004201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14336, while the sum is 31.

Adding to 221422047004201 its reverse (102400740224122), we get a palindrome (323822787228323).

The spelling of 221422047004201 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, forty-seven million, four thousand, two hundred one".