100421305241 has 4 divisors (see below), whose sum is σ = 103884108900. Its totient is φ = 96958501584.

The previous prime is 100421305223. The next prime is 100421305279. The reversal of 100421305241 is 142503124001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 142503124001 = 7 ⋅20357589143.

It can be written as a sum of positive squares in 2 ways, for example, as 75139033225 + 25282272016 = 274115^2 + 159004^2 .

It is a cyclic number.

It is not a de Polignac number, because 100421305241 - 2⁶ = 100421305177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100421305211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1731401786 + ... + 1731401843.

It is an arithmetic number, because the mean of its divisors is an integer number (25971027225).

Almost surely, 2^100421305241 is an apocalyptic number.

It is an amenable number.

100421305241 is a deficient number, since it is larger than the sum of its proper divisors (3462803659).

100421305241 is an equidigital number, since it uses as much as digits as its factorization.

100421305241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3462803658.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 100421305241 its reverse (142503124001), we get a palindrome (242924429242).

The spelling of 100421305241 in words is "one hundred billion, four hundred twenty-one million, three hundred five thousand, two hundred forty-one".