201422030221 has 4 divisors (see below), whose sum is σ = 208367617500. Its totient is φ = 194476442944.

The previous prime is 201422030111. The next prime is 201422030237. The reversal of 201422030221 is 122030224102.

201422030221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53284797225 + 148137232996 = 230835^2 + 384886^2 .

It is a cyclic number.

It is not a de Polignac number, because 201422030221 - 2¹⁷ = 201421899149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201422030321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3472793596 + ... + 3472793653.

It is an arithmetic number, because the mean of its divisors is an integer number (52091904375).

Almost surely, 2^201422030221 is an apocalyptic number.

It is an amenable number.

201422030221 is a deficient number, since it is larger than the sum of its proper divisors (6945587279).

201422030221 is an equidigital number, since it uses as much as digits as its factorization.

201422030221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6945587278.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 201422030221 its reverse (122030224102), we get a palindrome (323452254323).

The spelling of 201422030221 in words is "two hundred one billion, four hundred twenty-two million, thirty thousand, two hundred twenty-one".