10103446221 has 16 divisors (see below), whose sum is σ = 14841430848. Its totient is φ = 6062672000.

The previous prime is 10103446219. The next prime is 10103446237. The reversal of 10103446221 is 12264430101.

It is not a de Polignac number, because 10103446221 - 2¹ = 10103446219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10103446191 and 10103446200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10103446121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1512336 + ... + 1519001.

It is an arithmetic number, because the mean of its divisors is an integer number (927589428).

Almost surely, 2^10103446221 is an apocalyptic number.

10103446221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10103446221 is a deficient number, since it is larger than the sum of its proper divisors (4737984627).

10103446221 is a wasteful number, since it uses less digits than its factorization.

10103446221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3031452.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 10103446221 its reverse (12264430101), we get a palindrome (22367876322).

The spelling of 10103446221 in words is "ten billion, one hundred three million, four hundred forty-six thousand, two hundred twenty-one".