201430163221 has 8 divisors (see below), whose sum is σ = 230547965504. Its totient is φ = 172397877120.

The previous prime is 201430163219. The next prime is 201430163239. The reversal of 201430163221 is 122361034102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201430163221 - 2¹ = 201430163219 is a prime.

It is a super-2 number, since 2×201430163221² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201430163281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21373995 + ... + 21383416.

It is an arithmetic number, because the mean of its divisors is an integer number (28818495688).

Almost surely, 2^201430163221 is an apocalyptic number.

It is an amenable number.

201430163221 is a deficient number, since it is larger than the sum of its proper divisors (29117802283).

201430163221 is an equidigital number, since it uses as much as digits as its factorization.

201430163221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42758091.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 201430163221 its reverse (122361034102), we get a palindrome (323791197323).

The spelling of 201430163221 in words is "two hundred one billion, four hundred thirty million, one hundred sixty-three thousand, two hundred twenty-one".