100001203111 has 4 divisors (see below), whose sum is σ = 100002568000. Its totient is φ = 99999838224.

The previous prime is 100001203051. The next prime is 100001203163. The reversal of 100001203111 is 111302100001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111302100001 = 17 ⋅6547182353.

It is a cyclic number.

It is not a de Polignac number, because 100001203111 - 2¹⁵ = 100001170343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100001303111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565911 + ... + 721288.

It is an arithmetic number, because the mean of its divisors is an integer number (25000642000).

Almost surely, 2^100001203111 is an apocalyptic number.

100001203111 is a deficient number, since it is larger than the sum of its proper divisors (1364889).

100001203111 is an equidigital number, since it uses as much as digits as its factorization.

100001203111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364888.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 100001203111 its reverse (111302100001), we get a palindrome (211303303112).

The spelling of 100001203111 in words is "one hundred billion, one million, two hundred three thousand, one hundred eleven".