10103123221 has 8 divisors (see below), whose sum is σ = 10568689344. Its totient is φ = 9639748800.

The previous prime is 10103123201. The next prime is 10103123249. The reversal of 10103123221 is 12232130101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10103123221 - 2¹⁵ = 10103090453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10103123195 and 10103123204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10103123201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538491 + ... + 556936.

It is an arithmetic number, because the mean of its divisors is an integer number (1321086168).

Almost surely, 2^10103123221 is an apocalyptic number.

It is an amenable number.

10103123221 is a deficient number, since it is larger than the sum of its proper divisors (465566123).

10103123221 is a wasteful number, since it uses less digits than its factorization.

10103123221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095851.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10103123221 its reverse (12232130101), we get a palindrome (22335253322).

The spelling of 10103123221 in words is "ten billion, one hundred three million, one hundred twenty-three thousand, two hundred twenty-one".