44133042121 has 6 divisors (see below), whose sum is σ = 51338436810. Its totient is φ = 37828321776.

The previous prime is 44133042067. The next prime is 44133042169. The reversal of 44133042121 is 12124033144.

It can be written as a sum of positive squares in only one way, i.e., 40206265225 + 3926776896 = 200515^2 + 62664^2 .

It is not a de Polignac number, because 44133042121 - 2⁷ = 44133041993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44133042181) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 450337116 + ... + 450337213.

It is an arithmetic number, because the mean of its divisors is an integer number (8556406135).

Almost surely, 2^44133042121 is an apocalyptic number.

It is an amenable number.

44133042121 is a deficient number, since it is larger than the sum of its proper divisors (7205394689).

44133042121 is an equidigital number, since it uses as much as digits as its factorization.

44133042121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900674343 (or 900674336 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 44133042121 its reverse (12124033144), we get a palindrome (56257075265).

The spelling of 44133042121 in words is "forty-four billion, one hundred thirty-three million, forty-two thousand, one hundred twenty-one".