201221013322 has 8 divisors (see below), whose sum is σ = 344950308576. Its totient is φ = 86237577132.

The previous prime is 201221013319. The next prime is 201221013337. The reversal of 201221013322 is 223310122102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 201221013322.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7186464748 + ... + 7186464775.

It is an arithmetic number, because the mean of its divisors is an integer number (43118788572).

Almost surely, 2^201221013322 is an apocalyptic number.

201221013322 is a deficient number, since it is larger than the sum of its proper divisors (143729295254).

201221013322 is a wasteful number, since it uses less digits than its factorization.

201221013322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14372929532.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 201221013322 its reverse (223310122102), we get a palindrome (424531135424).

The spelling of 201221013322 in words is "two hundred one billion, two hundred twenty-one million, thirteen thousand, three hundred twenty-two".