221010313003103 has 4 divisors (see below), whose sum is σ = 238011106311048. Its totient is φ = 204009519695160.

The previous prime is 221010313003091. The next prime is 221010313003163. The reversal of 221010313003103 is 301300313010122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 221010313003103 - 2⁸ = 221010313002847 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 (221010313003163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8500396653953 + ... + 8500396653978.

It is an arithmetic number, because the mean of its divisors is an integer number (59502776577762).

Almost surely, 2^{221010313003103} is an apocalyptic number.

221010313003103 is a deficient number, since it is larger than the sum of its proper divisors (17000793307945).

221010313003103 is a wasteful number, since it uses less digits than its factorization.

221010313003103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17000793307944.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 221010313003103 its reverse (301300313010122), we get a palindrome (522310626013225).

The spelling of 221010313003103 in words is "two hundred twenty-one trillion, ten billion, three hundred thirteen million, three thousand, one hundred three".