221001030213 has 16 divisors (see below), whose sum is σ = 305429191680. Its totient is φ = 142047020016.

The previous prime is 221001030209. The next prime is 221001030247. The reversal of 221001030213 is 312030100122.

It is not a de Polignac number, because 221001030213 - 2² = 221001030209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221001030192 and 221001030201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221001030203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11687443 + ... + 11706336.

It is an arithmetic number, because the mean of its divisors is an integer number (19089324480).

Almost surely, 2^221001030213 is an apocalyptic number.

It is an amenable number.

221001030213 is a deficient number, since it is larger than the sum of its proper divisors (84428161467).

221001030213 is a wasteful number, since it uses less digits than its factorization.

221001030213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23393896.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 221001030213 its reverse (312030100122), we get a palindrome (533031130335).

The spelling of 221001030213 in words is "two hundred twenty-one billion, one million, thirty thousand, two hundred thirteen".