150221310221 has 4 divisors (see below), whose sum is σ = 150326878272. Its totient is φ = 150115742172.

The previous prime is 150221310209. The next prime is 150221310241. The reversal of 150221310221 is 122013122051.

150221310221 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 150221310221 - 2¹⁰ = 150221309197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 150221310193 and 150221310202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150221310241) 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, 52781891 + ... + 52784736.

It is an arithmetic number, because the mean of its divisors is an integer number (37581719568).

Almost surely, 2^150221310221 is an apocalyptic number.

It is an amenable number.

150221310221 is a deficient number, since it is larger than the sum of its proper divisors (105568051).

150221310221 is a wasteful number, since it uses less digits than its factorization.

150221310221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105568050.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 150221310221 its reverse (122013122051), we get a palindrome (272234432272).

The spelling of 150221310221 in words is "one hundred fifty billion, two hundred twenty-one million, three hundred ten thousand, two hundred twenty-one".