44121004432021 has 4 divisors (see below), whose sum is σ = 48132004834944. Its totient is φ = 40110004029100.

The previous prime is 44121004431971. The next prime is 44121004432027. The reversal of 44121004432021 is 12023440012144.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44121004432021 - 2¹⁷ = 44121004300949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44121004432027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2005500201445 + ... + 2005500201466.

It is an arithmetic number, because the mean of its divisors is an integer number (12033001208736).

Almost surely, 2^{44121004432021} is an apocalyptic number.

It is an amenable number.

44121004432021 is a deficient number, since it is larger than the sum of its proper divisors (4011000402923).

44121004432021 is a wasteful number, since it uses less digits than its factorization.

44121004432021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4011000402922.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 44121004432021 its reverse (12023440012144), we get a palindrome (56144444444165).

The spelling of 44121004432021 in words is "forty-four trillion, one hundred twenty-one billion, four million, four hundred thirty-two thousand, twenty-one".