150106221 has 12 divisors (see below), whose sum is σ = 216974940. Its totient is φ = 99999360.

The previous prime is 150106199. The next prime is 150106223. The reversal of 150106221 is 122601051.

150106221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 125216100 + 24890121 = 11190^2 + 4989^2 .

It is not a de Polignac number, because 150106221 - 2¹³ = 150098029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 150106194 and 150106203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150106223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9445 + ... + 19733.

It is an arithmetic number, because the mean of its divisors is an integer number (18081245).

Almost surely, 2^150106221 is an apocalyptic number.

It is an amenable number.

150106221 is a deficient number, since it is larger than the sum of its proper divisors (66868719).

150106221 is a wasteful number, since it uses less digits than its factorization.

150106221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11916 (or 11913 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 150106221 is about 12251.7844006496. The cubic root of 150106221 is about 531.4546735049.

Adding to 150106221 its reverse (122601051), we get a palindrome (272707272).

The spelling of 150106221 in words is "one hundred fifty million, one hundred six thousand, two hundred twenty-one".