100240123421001 has 4 divisors (see below), whose sum is σ = 133653497894672. Its totient is φ = 66826748947332.

The previous prime is 100240123420973. The next prime is 100240123421027. The reversal of 100240123421001 is 100124321042001.

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 not a de Polignac number, because 100240123421001 - 2²² = 100240119226697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100240123421071) 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, 16706687236831 + ... + 16706687236836.

It is an arithmetic number, because the mean of its divisors is an integer number (33413374473668).

Almost surely, 2^{100240123421001} is an apocalyptic number.

It is an amenable number.

100240123421001 is a deficient number, since it is larger than the sum of its proper divisors (33413374473671).

100240123421001 is an equidigital number, since it uses as much as digits as its factorization.

100240123421001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33413374473670.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 100240123421001 its reverse (100124321042001), we get a palindrome (200364444463002).

The spelling of 100240123421001 in words is "one hundred trillion, two hundred forty billion, one hundred twenty-three million, four hundred twenty-one thousand, one".