201313213112221 has 8 divisors (see below), whose sum is σ = 230072851532160. Its totient is φ = 172553726686128.

The previous prime is 201313213112113. The next prime is 201313213112239. The reversal of 201313213112221 is 122211312313102.

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

It is a cyclic number.

It is not a de Polignac number, because 201313213112221 - 2⁷ = 201313213112093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201313213112021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35146006 + ... + 40470583.

It is an arithmetic number, because the mean of its divisors is an integer number (28759106441520).

Almost surely, 2^{201313213112221} is an apocalyptic number.

It is an amenable number.

201313213112221 is a deficient number, since it is larger than the sum of its proper divisors (28759638419939).

201313213112221 is an equidigital number, since it uses as much as digits as its factorization.

201313213112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75996923.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 201313213112221 its reverse (122211312313102), we get a palindrome (323524525425323).

The spelling of 201313213112221 in words is "two hundred one trillion, three hundred thirteen billion, two hundred thirteen million, one hundred twelve thousand, two hundred twenty-one".