201221223301 has 8 divisors (see below), whose sum is σ = 230558290560. Its totient is φ = 172031950608.

The previous prime is 201221223241. The next prime is 201221223337. The reversal of 201221223301 is 103322122102.

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

It is not a de Polignac number, because 201221223301 - 2⁷ = 201221223173 is a prime.

It is a super-4 number, since 4×201221223301⁴ (a number of 46 digits) contains 4444 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 (201221223361) 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, 36945721 + ... + 36951166.

It is an arithmetic number, because the mean of its divisors is an integer number (28819786320).

Almost surely, 2^201221223301 is an apocalyptic number.

It is an amenable number.

201221223301 is a deficient number, since it is larger than the sum of its proper divisors (29337067259).

201221223301 is an equidigital number, since it uses as much as digits as its factorization.

201221223301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73897283.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 201221223301 its reverse (103322122102), we get a palindrome (304543345403).

The spelling of 201221223301 in words is "two hundred one billion, two hundred twenty-one million, two hundred twenty-three thousand, three hundred one".