10221103123 has 32 divisors (see below), whose sum is σ = 12862467072. Its totient is φ = 7890307200.

The previous prime is 10221103121. The next prime is 10221103163. The reversal of 10221103123 is 32130112201.

It is a cyclic number.

It is not a de Polignac number, because 10221103123 - 2¹ = 10221103121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10221103097 and 10221103106.

It is not an unprimeable number, because it can be changed into a prime (10221103121) 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, 4082290 + ... + 4084792.

It is an arithmetic number, because the mean of its divisors is an integer number (401952096).

Almost surely, 2^10221103123 is an apocalyptic number.

10221103123 is a deficient number, since it is larger than the sum of its proper divisors (2641363949).

10221103123 is a wasteful number, since it uses less digits than its factorization.

10221103123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2995.

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

Adding to 10221103123 its reverse (32130112201), we get a palindrome (42351215324).

The spelling of 10221103123 in words is "ten billion, two hundred twenty-one million, one hundred three thousand, one hundred twenty-three".