202003121201321 has 8 divisors (see below), whose sum is σ = 220480108056000. Its totient is φ = 183544978804240.

The previous prime is 202003121201317. The next prime is 202003121201339. The reversal of 202003121201321 is 123102121300202.

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 202003121201321 - 2² = 202003121201317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 202003121201293 and 202003121201302.

It is not an unprimeable number, because it can be changed into a prime (202003121201381) 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, 4711091981 + ... + 4711134858.

It is an arithmetic number, because the mean of its divisors is an integer number (27560013507000).

Almost surely, 2^{202003121201321} is an apocalyptic number.

It is an amenable number.

202003121201321 is a deficient number, since it is larger than the sum of its proper divisors (18476986854679).

202003121201321 is a wasteful number, since it uses less digits than its factorization.

202003121201321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9422228799.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 202003121201321 its reverse (123102121300202), we get a palindrome (325105242501523).

The spelling of 202003121201321 in words is "two hundred two trillion, three billion, one hundred twenty-one million, two hundred one thousand, three hundred twenty-one".