201221434214 has 16 divisors (see below), whose sum is σ = 303404352000. Its totient is φ = 100086835464.

The previous prime is 201221434111. The next prime is 201221434223. The reversal of 201221434214 is 412434122102.

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, 2280629 + ... + 2367215.

It is an arithmetic number, because the mean of its divisors is an integer number (18962772000).

Almost surely, 2^201221434214 is an apocalyptic number.

201221434214 is a deficient number, since it is larger than the sum of its proper divisors (102182917786).

201221434214 is a wasteful number, since it uses less digits than its factorization.

201221434214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92627.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 201221434214 its reverse (412434122102), we get a palindrome (613655556316).

The spelling of 201221434214 in words is "two hundred one billion, two hundred twenty-one million, four hundred thirty-four thousand, two hundred fourteen".