100012321321 has 8 divisors (see below), whose sum is σ = 109652616000. Its totient is φ = 90463404240.

The previous prime is 100012321301. The next prime is 100012321337. The reversal of 100012321321 is 123123210001.

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

It is not a de Polignac number, because 100012321321 - 2⁵ = 100012321289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100012321295 and 100012321304.

It is not an unprimeable number, because it can be changed into a prime (100012321301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22842106 + ... + 22846483.

It is an arithmetic number, because the mean of its divisors is an integer number (13706577000).

Almost surely, 2^100012321321 is an apocalyptic number.

100012321321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100012321321 is a deficient number, since it is larger than the sum of its proper divisors (9640294679).

100012321321 is a wasteful number, since it uses less digits than its factorization.

100012321321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45688799.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 100012321321 its reverse (123123210001), we get a palindrome (223135531322).

It can be divided in two parts, 1000 and 12321321, that added together give a palindrome (12322321).

The spelling of 100012321321 in words is "one hundred billion, twelve million, three hundred twenty-one thousand, three hundred twenty-one".