221021030014 has 16 divisors (see below), whose sum is σ = 337029009120. Its totient is φ = 108678699360.

The previous prime is 221021030011. The next prime is 221021030033. The reversal of 221021030014 is 410030120122.

It is a self number, because there is not a number n which added to its sum of digits gives 221021030014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221021030011) 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, 503112 + ... + 833764.

It is an arithmetic number, because the mean of its divisors is an integer number (21064313070).

Almost surely, 2^221021030014 is an apocalyptic number.

221021030014 is a deficient number, since it is larger than the sum of its proper divisors (116007979106).

221021030014 is a wasteful number, since it uses less digits than its factorization.

221021030014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336195.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 221021030014 its reverse (410030120122), we get a palindrome (631051150136).

The spelling of 221021030014 in words is "two hundred twenty-one billion, twenty-one million, thirty thousand, fourteen".