44104100111021 has 4 divisors (see below), whose sum is σ = 44107243009692. Its totient is φ = 44100957212352.

The previous prime is 44104100110963. The next prime is 44104100111051. The reversal of 44104100111021 is 12011100140144.

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 10282373344996 + 33821726766025 = 3206614^2 + 5815645^2 .

It is a cyclic number.

It is not a de Polignac number, because 44104100111021 - 2³⁰ = 44103026369197 is a prime.

It is a super-3 number, since 3×44104100111021³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44104100110984 and 44104100111002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44104100111051) 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, 1571428286 + ... + 1571456351.

It is an arithmetic number, because the mean of its divisors is an integer number (11026810752423).

Almost surely, 2^{44104100111021} is an apocalyptic number.

It is an amenable number.

44104100111021 is a deficient number, since it is larger than the sum of its proper divisors (3142898671).

44104100111021 is a wasteful number, since it uses less digits than its factorization.

44104100111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3142898670.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 44104100111021 its reverse (12011100140144), we get a palindrome (56115200251165).

The spelling of 44104100111021 in words is "forty-four trillion, one hundred four billion, one hundred million, one hundred eleven thousand, twenty-one".