202130003123321 has 16 divisors (see below), whose sum is σ = 248876229995904. Its totient is φ = 159862208736384.

The previous prime is 202130003123317. The next prime is 202130003123341. The reversal of 202130003123321 is 123321300031202.

It is not a de Polignac number, because 202130003123321 - 2² = 202130003123317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202130003123341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 449959700 + ... + 450408693.

It is an arithmetic number, because the mean of its divisors is an integer number (15554764374744).

Almost surely, 2^{202130003123321} is an apocalyptic number.

It is an amenable number.

202130003123321 is a deficient number, since it is larger than the sum of its proper divisors (46746226872583).

202130003123321 is a wasteful number, since it uses less digits than its factorization.

202130003123321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900370880.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 202130003123321 its reverse (123321300031202), we get a palindrome (325451303154523).

The spelling of 202130003123321 in words is "two hundred two trillion, one hundred thirty billion, three million, one hundred twenty-three thousand, three hundred twenty-one".