100103200321 has 2 divisors, whose sum is σ = 100103200322. Its totient is φ = 100103200320.

The previous prime is 100103200303. The next prime is 100103200363. The reversal of 100103200321 is 123002301001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75246524721 + 24856675600 = 274311^2 + 157660^2 .

It is a cyclic number.

It is not a de Polignac number, because 100103200321 - 2⁷ = 100103200193 is a prime.

It is not a weakly prime, because it can be changed into another prime (100103209321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50051600160 + 50051600161.

It is an arithmetic number, because the mean of its divisors is an integer number (50051600161).

Almost surely, 2^100103200321 is an apocalyptic number.

It is an amenable number.

100103200321 is a deficient number, since it is larger than the sum of its proper divisors (1).

100103200321 is an equidigital number, since it uses as much as digits as its factorization.

100103200321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 100103200321 its reverse (123002301001), we get a palindrome (223105501322).

The spelling of 100103200321 in words is "one hundred billion, one hundred three million, two hundred thousand, three hundred twenty-one".