201021103131213 has 8 divisors (see below), whose sum is σ = 272570987296800. Its totient is φ = 131742643859888.

The previous prime is 201021103131143. The next prime is 201021103131227. The reversal of 201021103131213 is 312131301120102.

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 201021103131213 - 2¹³ = 201021103123021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201021103131213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201021103131113) 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, 567856223358 + ... + 567856223711.

It is an arithmetic number, because the mean of its divisors is an integer number (34071373412100).

Almost surely, 2^{201021103131213} is an apocalyptic number.

It is an amenable number.

201021103131213 is a deficient number, since it is larger than the sum of its proper divisors (71549884165587).

201021103131213 is a wasteful number, since it uses less digits than its factorization.

201021103131213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135712447131.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 201021103131213 its reverse (312131301120102), we get a palindrome (513152404251315).

The spelling of 201021103131213 in words is "two hundred one trillion, twenty-one billion, one hundred three million, one hundred thirty-one thousand, two hundred thirteen".