10444555452221 has 24 divisors (see below), whose sum is σ = 11617666056864. Its totient is φ = 9381887900000.

The previous prime is 10444555452203. The next prime is 10444555452299. The reversal of 10444555452221 is 12225455544401.

It is not a de Polignac number, because 10444555452221 - 2⁶ = 10444555452157 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 (10444555352221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5130206 + ... + 6870816.

It is an arithmetic number, because the mean of its divisors is an integer number (484069419036).

Almost surely, 2^{10444555452221} is an apocalyptic number.

10444555452221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10444555452221 is a deficient number, since it is larger than the sum of its proper divisors (1173110604643).

10444555452221 is a wasteful number, since it uses less digits than its factorization.

10444555452221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741225 (or 1741214 counting only the distinct ones).

The product of its (nonzero) digits is 1280000, while the sum is 44.

The spelling of 10444555452221 in words is "ten trillion, four hundred forty-four billion, five hundred fifty-five million, four hundred fifty-two thousand, two hundred twenty-one".