104001240021 has 32 divisors (see below), whose sum is σ = 161185683456. Its totient is φ = 58415256000.

The previous prime is 104001240019. The next prime is 104001240029. The reversal of 104001240021 is 120042100401.

It is not a de Polignac number, because 104001240021 - 2¹ = 104001240019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104001240029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1908726 + ... + 1962456.

It is an arithmetic number, because the mean of its divisors is an integer number (5037052608).

Almost surely, 2^104001240021 is an apocalyptic number.

It is an amenable number.

104001240021 is a deficient number, since it is larger than the sum of its proper divisors (57184443435).

104001240021 is a wasteful number, since it uses less digits than its factorization.

104001240021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55313.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 104001240021 its reverse (120042100401), we get a palindrome (224043340422).

The spelling of 104001240021 in words is "one hundred four billion, one million, two hundred forty thousand, twenty-one".