100003432032221 has 2 divisors, whose sum is σ = 100003432032222. Its totient is φ = 100003432032220.

The previous prime is 100003432032121. The next prime is 100003432032263. The reversal of 100003432032221 is 122230234300001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68262940855321 + 31740491176900 = 8262139^2 + 5633870^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100003432032221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100003432032271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50001716016110 + 50001716016111.

It is an arithmetic number, because the mean of its divisors is an integer number (50001716016111).

Almost surely, 2^{100003432032221} is an apocalyptic number.

It is an amenable number.

100003432032221 is a deficient number, since it is larger than the sum of its proper divisors (1).

100003432032221 is an equidigital number, since it uses as much as digits as its factorization.

100003432032221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 100003432032221 its reverse (122230234300001), we get a palindrome (222233666332222).

The spelling of 100003432032221 in words is "one hundred trillion, three billion, four hundred thirty-two million, thirty-two thousand, two hundred twenty-one".