221313413003 has 4 divisors (see below), whose sum is σ = 234331849080. Its totient is φ = 208294976928.

The previous prime is 221313412981. The next prime is 221313413017. The reversal of 221313413003 is 300314313122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300314313122 = 2 ⋅150157156561.

It is a cyclic number.

It is not a de Polignac number, because 221313413003 - 2²² = 221309218699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221313413003.

It is not an unprimeable number, because it can be changed into a prime (221313413053) 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, 6509218013 + ... + 6509218046.

It is an arithmetic number, because the mean of its divisors is an integer number (58582962270).

Almost surely, 2^221313413003 is an apocalyptic number.

221313413003 is a deficient number, since it is larger than the sum of its proper divisors (13018436077).

221313413003 is a wasteful number, since it uses less digits than its factorization.

221313413003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13018436076.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 221313413003 its reverse (300314313122), we get a palindrome (521627726125).

The spelling of 221313413003 in words is "two hundred twenty-one billion, three hundred thirteen million, four hundred thirteen thousand, three".