201221301213330 has 16 divisors (see below), whose sum is σ = 482931122912064. Its totient is φ = 53659013656880.

The previous prime is 201221301213299. The next prime is 201221301213353. The reversal of 201221301213330 is 33312103122102.

It is a self number, because there is not a number n which added to its sum of digits gives 201221301213330.

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, 3353688353526 + ... + 3353688353585.

It is an arithmetic number, because the mean of its divisors is an integer number (30183195182004).

Almost surely, 2^{201221301213330} is an apocalyptic number.

201221301213330 is an abundant number, since it is smaller than the sum of its proper divisors (281709821698734).

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

201221301213330 is a wasteful number, since it uses less digits than its factorization.

201221301213330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6707376707121.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 201221301213330 its reverse (33312103122102), we get a palindrome (234533404335432).

The spelling of 201221301213330 in words is "two hundred one trillion, two hundred twenty-one billion, three hundred one million, two hundred thirteen thousand, three hundred thirty".