100421300224429 has 2 divisors, whose sum is σ = 100421300224430. Its totient is φ = 100421300224428.

The previous prime is 100421300224373. The next prime is 100421300224471. The reversal of 100421300224429 is 924422003124001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99985400532900 + 435899691529 = 9999270^2 + 660227^2 .

It is an emirp because it is prime and its reverse (924422003124001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100421300224429 - 2¹⁵ = 100421300191661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100421300224394 and 100421300224403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100421300924429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50210650112214 + 50210650112215.

It is an arithmetic number, because the mean of its divisors is an integer number (50210650112215).

Almost surely, 2^{100421300224429} is an apocalyptic number.

It is an amenable number.

100421300224429 is a deficient number, since it is larger than the sum of its proper divisors (1).

100421300224429 is an equidigital number, since it uses as much as digits as its factorization.

100421300224429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 100421300224429 in words is "one hundred trillion, four hundred twenty-one billion, three hundred million, two hundred twenty-four thousand, four hundred twenty-nine".