153221421201 has 8 divisors (see below), whose sum is σ = 204333629280. Its totient is φ = 102128413632.

The previous prime is 153221421187. The next prime is 153221421293. The reversal of 153221421201 is 102124122351.

It is a happy number.

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

It is not a de Polignac number, because 153221421201 - 2⁵ = 153221421169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (153221421701) 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, 4781496 + ... + 4813433.

It is an arithmetic number, because the mean of its divisors is an integer number (25541703660).

Almost surely, 2^153221421201 is an apocalyptic number.

It is an amenable number.

153221421201 is a deficient number, since it is larger than the sum of its proper divisors (51112208079).

153221421201 is an equidigital number, since it uses as much as digits as its factorization.

153221421201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9600255.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 153221421201 its reverse (102124122351), we get a palindrome (255345543552).

The spelling of 153221421201 in words is "one hundred fifty-three billion, two hundred twenty-one million, four hundred twenty-one thousand, two hundred one".