221120150 has 12 divisors (see below), whose sum is σ = 411283572. Its totient is φ = 88448040.

The previous prime is 221120149. The next prime is 221120153. The reversal of 221120150 is 51021122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221120153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2211152 + ... + 2211251.

It is an arithmetic number, because the mean of its divisors is an integer number (34273631).

Almost surely, 2^221120150 is an apocalyptic number.

221120150 is a deficient number, since it is larger than the sum of its proper divisors (190163422).

221120150 is a wasteful number, since it uses less digits than its factorization.

221120150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4422415 (or 4422410 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 221120150 is about 14870.1092800288. The cubic root of 221120150 is about 604.7039053810.

Adding to 221120150 its reverse (51021122), we get a palindrome (272141272).

The spelling of 221120150 in words is "two hundred twenty-one million, one hundred twenty thousand, one hundred fifty".