100111032321 has 8 divisors (see below), whose sum is σ = 133483295904. Its totient is φ = 66739728480.

The previous prime is 100111032283. The next prime is 100111032331. The reversal of 100111032321 is 123230111001.

It is a happy number.

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

It is not a de Polignac number, because 100111032321 - 2⁶ = 100111032257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100111032321.

It is not an unprimeable number, because it can be changed into a prime (100111032331) 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, 55386 + ... + 450876.

It is an arithmetic number, because the mean of its divisors is an integer number (16685411988).

Almost surely, 2^100111032321 is an apocalyptic number.

It is an amenable number.

100111032321 is a deficient number, since it is larger than the sum of its proper divisors (33372263583).

100111032321 is an equidigital number, since it uses as much as digits as its factorization.

100111032321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479871.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 100111032321 its reverse (123230111001), we get a palindrome (223341143322).

The spelling of 100111032321 in words is "one hundred billion, one hundred eleven million, thirty-two thousand, three hundred twenty-one".