100340140021 has 8 divisors (see below), whose sum is σ = 109466633664. Its totient is φ = 91214423520.

The previous prime is 100340140007. The next prime is 100340140031. The reversal of 100340140021 is 120041043001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100340140021 - 2²⁹ = 99803269109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100340139977 and 100340140004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100340140031) 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 7 ways as a sum of consecutive naturals, for example, 94336 + ... + 457798.

It is an arithmetic number, because the mean of its divisors is an integer number (13683329208).

Almost surely, 2^100340140021 is an apocalyptic number.

100340140021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100340140021 is a deficient number, since it is larger than the sum of its proper divisors (9126493643).

100340140021 is a wasteful number, since it uses less digits than its factorization.

100340140021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388571.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 100340140021 its reverse (120041043001), we get a palindrome (220381183022).

The spelling of 100340140021 in words is "one hundred billion, three hundred forty million, one hundred forty thousand, twenty-one".