221010150 has 48 divisors (see below), whose sum is σ = 549679104. Its totient is φ = 58766880.

The previous prime is 221010143. The next prime is 221010161. The reversal of 221010150 is 51010122.

221010150 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55527 + ... + 59373.

It is an arithmetic number, because the mean of its divisors is an integer number (11451648).

Almost surely, 2^221010150 is an apocalyptic number.

221010150 is an abundant number, since it is smaller than the sum of its proper divisors (328668954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221010150 is a wasteful number, since it uses less digits than its factorization.

221010150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4245 (or 4240 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 221010150 is about 14866.4101248418. The cubic root of 221010150 is about 604.6036153159.

Adding to 221010150 its reverse (51010122), we get a palindrome (272020272).

The spelling of 221010150 in words is "two hundred twenty-one million, ten thousand, one hundred fifty".