100113122111 has 4 divisors (see below), whose sum is σ = 106002129312. Its totient is φ = 94224114912.

The previous prime is 100113122107. The next prime is 100113122141. The reversal of 100113122111 is 111221311001.

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 100113122111 - 2² = 100113122107 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 (100113122141) 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, 2944503575 + ... + 2944503608.

It is an arithmetic number, because the mean of its divisors is an integer number (26500532328).

Almost surely, 2^100113122111 is an apocalyptic number.

100113122111 is a deficient number, since it is larger than the sum of its proper divisors (5889007201).

100113122111 is an equidigital number, since it uses as much as digits as its factorization.

100113122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5889007200.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 100113122111 its reverse (111221311001), we get a palindrome (211334433112).

The spelling of 100113122111 in words is "one hundred billion, one hundred thirteen million, one hundred twenty-two thousand, one hundred eleven".