100421142013 has 4 divisors (see below), whose sum is σ = 100897071808. Its totient is φ = 99945212220.

The previous prime is 100421142011. The next prime is 100421142061. The reversal of 100421142013 is 310241124001.

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.

It is a cyclic number.

It is not a de Polignac number, because 100421142013 - 2¹ = 100421142011 is a prime.

It is a super-2 number, since 2×100421142013² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100421142011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237964581 + ... + 237965002.

It is an arithmetic number, because the mean of its divisors is an integer number (25224267952).

Almost surely, 2^100421142013 is an apocalyptic number.

It is an amenable number.

100421142013 is a deficient number, since it is larger than the sum of its proper divisors (475929795).

100421142013 is an equidigital number, since it uses as much as digits as its factorization.

100421142013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475929794.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 100421142013 its reverse (310241124001), we get a palindrome (410662266014).

The spelling of 100421142013 in words is "one hundred billion, four hundred twenty-one million, one hundred forty-two thousand, thirteen".