221021201001313 has 8 divisors (see below), whose sum is σ = 221144236646400. Its totient is φ = 220898183408448.

The previous prime is 221021201001299. The next prime is 221021201001347. The reversal of 221021201001313 is 313100102120122.

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 221021201001313 - 2¹³ = 221021200993121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221021201001383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20017720 + ... + 29030182.

It is an arithmetic number, because the mean of its divisors is an integer number (27643029580800).

Almost surely, 2^{221021201001313} is an apocalyptic number.

It is an amenable number.

221021201001313 is a deficient number, since it is larger than the sum of its proper divisors (123035645087).

221021201001313 is a wasteful number, since it uses less digits than its factorization.

221021201001313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9026111.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 221021201001313 its reverse (313100102120122), we get a palindrome (534121303121435).

The spelling of 221021201001313 in words is "two hundred twenty-one trillion, twenty-one billion, two hundred one million, one thousand, three hundred thirteen".