544103020221 has 32 divisors (see below), whose sum is σ = 791395660800. Its totient is φ = 331122779136.

The previous prime is 544103020207. The next prime is 544103020229. The reversal of 544103020221 is 122020301445.

It is not a de Polignac number, because 544103020221 - 2⁷ = 544103020093 is a prime.

It is a super-3 number, since 3×544103020221³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 544103020191 and 544103020200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544103020229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143380 + ... + 1052978.

It is an arithmetic number, because the mean of its divisors is an integer number (24731114400).

Almost surely, 2^544103020221 is an apocalyptic number.

544103020221 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

544103020221 is a deficient number, since it is larger than the sum of its proper divisors (247292640579).

544103020221 is a wasteful number, since it uses less digits than its factorization.

544103020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909973.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 544103020221 its reverse (122020301445), we get a palindrome (666123321666).

The spelling of 544103020221 in words is "five hundred forty-four billion, one hundred three million, twenty thousand, two hundred twenty-one".