221000150325 has 12 divisors (see below), whose sum is σ = 365386915328. Its totient is φ = 117866746800.

The previous prime is 221000150197. The next prime is 221000150333. The reversal of 221000150325 is 523051000122.

It is not a de Polignac number, because 221000150325 - 2⁷ = 221000150197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1473334261 + ... + 1473334410.

Almost surely, 2^221000150325 is an apocalyptic number.

221000150325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

221000150325 is a deficient number, since it is larger than the sum of its proper divisors (144386765003).

221000150325 is a wasteful number, since it uses less digits than its factorization.

221000150325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2946668684 (or 2946668679 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 221000150325 its reverse (523051000122), we get a palindrome (744051150447).

The spelling of 221000150325 in words is "two hundred twenty-one billion, one hundred fifty thousand, three hundred twenty-five".