100021120113 has 8 divisors (see below), whose sum is σ = 135351963808. Its totient is φ = 65685511584.

The previous prime is 100021120099. The next prime is 100021120169. The reversal of 100021120113 is 311021120001.

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

It is not a de Polignac number, because 100021120113 - 2¹⁸ = 100020857969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100021120513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248808556 + ... + 248808957.

It is an arithmetic number, because the mean of its divisors is an integer number (16918995476).

Almost surely, 2^100021120113 is an apocalyptic number.

It is an amenable number.

100021120113 is a deficient number, since it is larger than the sum of its proper divisors (35330843695).

100021120113 is an equidigital number, since it uses as much as digits as its factorization.

100021120113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497617583.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 100021120113 its reverse (311021120001), we get a palindrome (411042240114).

The spelling of 100021120113 in words is "one hundred billion, twenty-one million, one hundred twenty thousand, one hundred thirteen".