100421419043 has 6 divisors (see below), whose sum is σ = 110380568172. Its totient is φ = 91292199020.

The previous prime is 100421419001. The next prime is 100421419051. The reversal of 100421419043 is 340914124001.

It is not a de Polignac number, because 100421419043 - 2¹⁴ = 100421402659 is a prime.

It is a super-2 number, since 2×100421419043² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100421418997 and 100421419015.

It is not an unprimeable number, because it can be changed into a prime (100421419073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 414964421 + ... + 414964662.

It is an arithmetic number, because the mean of its divisors is an integer number (18396761362).

Almost surely, 2^100421419043 is an apocalyptic number.

100421419043 is a deficient number, since it is larger than the sum of its proper divisors (9959149129).

100421419043 is an equidigital number, since it uses as much as digits as its factorization.

100421419043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829929105 (or 829929094 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 100421419043 in words is "one hundred billion, four hundred twenty-one million, four hundred nineteen thousand, forty-three".