101044221 has 32 divisors (see below), whose sum is σ = 146915328. Its totient is φ = 61585920.

The previous prime is 101044169. The next prime is 101044231. The reversal of 101044221 is 122440101.

It is not a de Polignac number, because 101044221 - 2¹⁴ = 101027837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101044221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101044231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 207240 + ... + 207726.

It is an arithmetic number, because the mean of its divisors is an integer number (4591104).

Almost surely, 2^101044221 is an apocalyptic number.

It is an amenable number.

101044221 is a deficient number, since it is larger than the sum of its proper divisors (45871107).

101044221 is a wasteful number, since it uses less digits than its factorization.

101044221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 101044221 is about 10052.0754573372. The cubic root of 101044221 is about 465.7689070739.

Adding to 101044221 its reverse (122440101), we get a palindrome (223484322).

The spelling of 101044221 in words is "one hundred one million, forty-four thousand, two hundred twenty-one".