100421413030373 has 2 divisors, whose sum is σ = 100421413030374. Its totient is φ = 100421413030372.

The previous prime is 100421413030361. The next prime is 100421413030387. The reversal of 100421413030373 is 373030314124001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55810208008129 + 44611205022244 = 7470623^2 + 6679162^2 .

It is a cyclic number.

It is not a de Polignac number, because 100421413030373 - 2²⁸ = 100421144594917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100421413032373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50210706515186 + 50210706515187.

It is an arithmetic number, because the mean of its divisors is an integer number (50210706515187).

Almost surely, 2^{100421413030373} is an apocalyptic number.

It is an amenable number.

100421413030373 is a deficient number, since it is larger than the sum of its proper divisors (1).

100421413030373 is an equidigital number, since it uses as much as digits as its factorization.

100421413030373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 32.

Adding to 100421413030373 its reverse (373030314124001), we get a palindrome (473451727154374).

The spelling of 100421413030373 in words is "one hundred trillion, four hundred twenty-one billion, four hundred thirteen million, thirty thousand, three hundred seventy-three".