100421142433 has 4 divisors (see below), whose sum is σ = 100424114368. Its totient is φ = 100418170500.

The previous prime is 100421142403. The next prime is 100421142463. The reversal of 100421142433 is 334241124001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 334241124001 = 1607 ⋅207990743.

It is an interprime number because it is at equal distance from previous prime (100421142403) and next prime (100421142463).

It is a cyclic number.

It is not a de Polignac number, because 100421142433 - 2²⁵ = 100387588001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100421142398 and 100421142407.

It is not an unprimeable number, because it can be changed into a prime (100421142403) 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, 1434693 + ... + 1503058.

It is an arithmetic number, because the mean of its divisors is an integer number (25106028592).

Almost surely, 2^100421142433 is an apocalyptic number.

It is an amenable number.

100421142433 is a deficient number, since it is larger than the sum of its proper divisors (2971935).

100421142433 is an equidigital number, since it uses as much as digits as its factorization.

100421142433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2971934.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 100421142433 its reverse (334241124001), we get a palindrome (434662266434).

The spelling of 100421142433 in words is "one hundred billion, four hundred twenty-one million, one hundred forty-two thousand, four hundred thirty-three".