100021344243113 has 16 divisors (see below), whose sum is σ = 105942253536000. Its totient is φ = 94104583064832.

The previous prime is 100021344243109. The next prime is 100021344243127. The reversal of 100021344243113 is 311342443120001.

It is not a de Polignac number, because 100021344243113 - 2² = 100021344243109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100021344243133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1118024378 + ... + 1118113836.

It is an arithmetic number, because the mean of its divisors is an integer number (6621390846000).

Almost surely, 2^{100021344243113} is an apocalyptic number.

It is an amenable number.

100021344243113 is a deficient number, since it is larger than the sum of its proper divisors (5920909292887).

100021344243113 is a wasteful number, since it uses less digits than its factorization.

100021344243113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111904.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 100021344243113 its reverse (311342443120001), we get a palindrome (411363787363114).

The spelling of 100021344243113 in words is "one hundred trillion, twenty-one billion, three hundred forty-four million, two hundred forty-three thousand, one hundred thirteen".