100337021 has 2 divisors, whose sum is σ = 100337022. Its totient is φ = 100337020.

The previous prime is 100336981. The next prime is 100337051. The reversal of 100337021 is 120733001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97812100 + 2524921 = 9890^2 + 1589^2 .

It is a cyclic number.

It is not a de Polignac number, because 100337021 - 2¹⁴ = 100320637 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100337051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50168510 + 50168511.

It is an arithmetic number, because the mean of its divisors is an integer number (50168511).

Almost surely, 2^100337021 is an apocalyptic number.

It is an amenable number.

100337021 is a deficient number, since it is larger than the sum of its proper divisors (1).

100337021 is an equidigital number, since it uses as much as digits as its factorization.

100337021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 100337021 is about 10016.8368759804. The cubic root of 100337021 is about 464.6797363076.

The spelling of 100337021 in words is "one hundred million, three hundred thirty-seven thousand, twenty-one".