44403122121 has 48 divisors (see below), whose sum is σ = 64529631936. Its totient is φ = 27132513408.

The previous prime is 44403122117. The next prime is 44403122209. The reversal of 44403122121 is 12122130444.

It is not a de Polignac number, because 44403122121 - 2² = 44403122117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44403122091 and 44403122100.

It is not an unprimeable number, because it can be changed into a prime (44403122021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3610635 + ... + 3622911.

It is an arithmetic number, because the mean of its divisors is an integer number (1344367332).

Almost surely, 2^44403122121 is an apocalyptic number.

It is an amenable number.

44403122121 is a deficient number, since it is larger than the sum of its proper divisors (20126509815).

44403122121 is a wasteful number, since it uses less digits than its factorization.

44403122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12422 (or 12399 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 44403122121 its reverse (12122130444), we get a palindrome (56525252565).

The spelling of 44403122121 in words is "forty-four billion, four hundred three million, one hundred twenty-two thousand, one hundred twenty-one".