44101309221 has 32 divisors (see below), whose sum is σ = 68306795520. Its totient is φ = 28068595632.

The previous prime is 44101309207. The next prime is 44101309289. The reversal of 44101309221 is 12290310144.

It is a happy number.

44101309221 is a `hidden beast` number, since 441 + 0 + 130 + 92 + 2 + 1 = 666.

It is not a de Polignac number, because 44101309221 - 2¹⁸ = 44101047077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44101309201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 256890 + ... + 392676.

It is an arithmetic number, because the mean of its divisors is an integer number (2134587360).

Almost surely, 2^44101309221 is an apocalyptic number.

It is an amenable number.

44101309221 is a deficient number, since it is larger than the sum of its proper divisors (24205486299).

44101309221 is a wasteful number, since it uses less digits than its factorization.

44101309221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136342 (or 136336 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 44101309221 its reverse (12290310144), we get a palindrome (56391619365).

The spelling of 44101309221 in words is "forty-four billion, one hundred one million, three hundred nine thousand, two hundred twenty-one".