100033130221 has 2 divisors, whose sum is σ = 100033130222. Its totient is φ = 100033130220.

The previous prime is 100033130089. The next prime is 100033130273. The reversal of 100033130221 is 122031330001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75179607721 + 24853522500 = 274189^2 + 157650^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100033130221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100033130195 and 100033130204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100033130321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50016565110 + 50016565111.

It is an arithmetic number, because the mean of its divisors is an integer number (50016565111).

Almost surely, 2^100033130221 is an apocalyptic number.

It is an amenable number.

100033130221 is a deficient number, since it is larger than the sum of its proper divisors (1).

100033130221 is an equidigital number, since it uses as much as digits as its factorization.

100033130221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 100033130221 its reverse (122031330001), we get a palindrome (222064460222).

The spelling of 100033130221 in words is "one hundred billion, thirty-three million, one hundred thirty thousand, two hundred twenty-one".