221023021214 has 16 divisors (see below), whose sum is σ = 333943812288. Its totient is φ = 109710305952.

The previous prime is 221023021201. The next prime is 221023021243. The reversal of 221023021214 is 412120320122.

It is a congruent 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, 237542 + ... + 706025.

It is an arithmetic number, because the mean of its divisors is an integer number (20871488268).

Almost surely, 2^221023021214 is an apocalyptic number.

221023021214 is a deficient number, since it is larger than the sum of its proper divisors (112920791074).

221023021214 is a wasteful number, since it uses less digits than its factorization.

221023021214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944419.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 221023021214 its reverse (412120320122), we get a palindrome (633143341336).

The spelling of 221023021214 in words is "two hundred twenty-one billion, twenty-three million, twenty-one thousand, two hundred fourteen".