202123130303221 has 8 divisors (see below), whose sum is σ = 202945359254400. Its totient is φ = 201301035936000.

The previous prime is 202123130303131. The next prime is 202123130303239. The reversal of 202123130303221 is 122303031321202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202123130303221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202123130303291) 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, 30635661 + ... + 36644098.

It is an arithmetic number, because the mean of its divisors is an integer number (25368169906800).

Almost surely, 2^{202123130303221} is an apocalyptic number.

It is an amenable number.

202123130303221 is a deficient number, since it is larger than the sum of its proper divisors (822228951179).

202123130303221 is a wasteful number, since it uses less digits than its factorization.

202123130303221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67291979.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 202123130303221 its reverse (122303031321202), we get a palindrome (324426161624423).

The spelling of 202123130303221 in words is "two hundred two trillion, one hundred twenty-three billion, one hundred thirty million, three hundred three thousand, two hundred twenty-one".