44661221211 has 8 divisors (see below), whose sum is σ = 59549318224. Its totient is φ = 29773635840.

The previous prime is 44661221207. The next prime is 44661221233. The reversal of 44661221211 is 11212216644.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 44661221211 - 2² = 44661221207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44661221261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185415 + ... + 351711.

It is an arithmetic number, because the mean of its divisors is an integer number (7443664778).

Almost surely, 2^44661221211 is an apocalyptic number.

44661221211 is a deficient number, since it is larger than the sum of its proper divisors (14888097013).

44661221211 is a wasteful number, since it uses less digits than its factorization.

44661221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255821.

The product of its digits is 4608, while the sum is 30.

Adding to 44661221211 its reverse (11212216644), we get a palindrome (55873437855).

The spelling of 44661221211 in words is "forty-four billion, six hundred sixty-one million, two hundred twenty-one thousand, two hundred eleven".