202030201100321 has 8 divisors (see below), whose sum is σ = 220400293050144. Its totient is φ = 183660727489120.

The previous prime is 202030201100309. The next prime is 202030201100323. The reversal of 202030201100321 is 123001102030202.

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 202030201100321 - 2⁶ = 202030201100257 is a prime.

It is a super-2 number, since 2×202030201100321² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202030201100321.

It is not an unprimeable number, because it can be changed into a prime (202030201100323) 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, 153901355 + ... + 155208528.

It is an arithmetic number, because the mean of its divisors is an integer number (27550036631268).

Almost surely, 2^{202030201100321} is an apocalyptic number.

It is an amenable number.

202030201100321 is a deficient number, since it is larger than the sum of its proper divisors (18370091949823).

202030201100321 is a wasteful number, since it uses less digits than its factorization.

202030201100321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309169311.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 202030201100321 its reverse (123001102030202), we get a palindrome (325031303130523).

The spelling of 202030201100321 in words is "two hundred two trillion, thirty billion, two hundred one million, one hundred thousand, three hundred twenty-one".