44010222121 has 4 divisors (see below), whose sum is σ = 44064623700. Its totient is φ = 43955820544.

The previous prime is 44010222119. The next prime is 44010222161. The reversal of 44010222121 is 12122201044.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39529392400 + 4480829721 = 198820^2 + 66939^2 .

It is a cyclic number.

It is not a de Polignac number, because 44010222121 - 2¹ = 44010222119 is a prime.

It is a super-2 number, since 2×44010222121² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44010222161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27199576 + ... + 27201193.

It is an arithmetic number, because the mean of its divisors is an integer number (11016155925).

Almost surely, 2^44010222121 is an apocalyptic number.

It is an amenable number.

44010222121 is a deficient number, since it is larger than the sum of its proper divisors (54401579).

44010222121 is an equidigital number, since it uses as much as digits as its factorization.

44010222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54401578.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 44010222121 its reverse (12122201044), we get a palindrome (56132423165).

The spelling of 44010222121 in words is "forty-four billion, ten million, two hundred twenty-two thousand, one hundred twenty-one".