100421444444041 has 4 divisors (see below), whose sum is σ = 114767365078912. Its totient is φ = 86075523809172.

The previous prime is 100421444444039. The next prime is 100421444444063. The reversal of 100421444444041 is 140444444124001.

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 100421444444041 - 2¹ = 100421444444039 is a prime.

It is a super-2 number, since 2×100421444444041² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100421444444081) 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, 7172960317425 + ... + 7172960317438.

It is an arithmetic number, because the mean of its divisors is an integer number (28691841269728).

Almost surely, 2^{100421444444041} is an apocalyptic number.

It is an amenable number.

100421444444041 is a deficient number, since it is larger than the sum of its proper divisors (14345920634871).

100421444444041 is an equidigital number, since it uses as much as digits as its factorization.

100421444444041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14345920634870.

The product of its (nonzero) digits is 131072, while the sum is 37.

Adding to 100421444444041 its reverse (140444444124001), we get a palindrome (240865888568042).

The spelling of 100421444444041 in words is "one hundred trillion, four hundred twenty-one billion, four hundred forty-four million, four hundred forty-four thousand, forty-one".