221021122314 has 16 divisors (see below), whose sum is σ = 442274798880. Its totient is φ = 73634948400.

The previous prime is 221021122247. The next prime is 221021122349. The reversal of 221021122314 is 413221120122.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9677404 + ... + 9700215.

It is an arithmetic number, because the mean of its divisors is an integer number (27642174930).

Almost surely, 2^221021122314 is an apocalyptic number.

221021122314 is an abundant number, since it is smaller than the sum of its proper divisors (221253676566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221021122314 is a wasteful number, since it uses less digits than its factorization.

221021122314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19379525.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 221021122314 its reverse (413221120122), we get a palindrome (634242242436).

The spelling of 221021122314 in words is "two hundred twenty-one billion, twenty-one million, one hundred twenty-two thousand, three hundred fourteen".