100012313111 has 4 divisors (see below), whose sum is σ = 100034045352. Its totient is φ = 99990580872.

The previous prime is 100012313077. The next prime is 100012313123. The reversal of 100012313111 is 111313210001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100012313111 - 2¹⁸ = 100012050967 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 (100012013111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10859216 + ... + 10868421.

It is an arithmetic number, because the mean of its divisors is an integer number (25008511338).

Almost surely, 2^100012313111 is an apocalyptic number.

100012313111 is a deficient number, since it is larger than the sum of its proper divisors (21732241).

100012313111 is an equidigital number, since it uses as much as digits as its factorization.

100012313111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21732240.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 100012313111 its reverse (111313210001), we get a palindrome (211325523112).

The spelling of 100012313111 in words is "one hundred billion, twelve million, three hundred thirteen thousand, one hundred eleven".