100230055021 has 2 divisors, whose sum is σ = 100230055022. Its totient is φ = 100230055020.

The previous prime is 100230054919. The next prime is 100230055027. The reversal of 100230055021 is 120550032001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94990322025 + 5239732996 = 308205^2 + 72386^2 .

It is a cyclic number.

It is not a de Polignac number, because 100230055021 - 2¹⁵ = 100230022253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100230055021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100230055027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50115027510 + 50115027511.

It is an arithmetic number, because the mean of its divisors is an integer number (50115027511).

Almost surely, 2^100230055021 is an apocalyptic number.

It is an amenable number.

100230055021 is a deficient number, since it is larger than the sum of its proper divisors (1).

100230055021 is an equidigital number, since it uses as much as digits as its factorization.

100230055021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 19.

Adding to 100230055021 its reverse (120550032001), we get a palindrome (220780087022).

The spelling of 100230055021 in words is "one hundred billion, two hundred thirty million, fifty-five thousand, twenty-one".