100111203112111 has 16 divisors (see below), whose sum is σ = 104635368407808. Its totient is φ = 95703079953600.

The previous prime is 100111203112057. The next prime is 100111203112127. The reversal of 100111203112111 is 111211302111001.

It is a cyclic number.

It is not a de Polignac number, because 100111203112111 - 2¹¹ = 100111203110063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100111203112181) 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, 105018321 + ... + 105967306.

It is an arithmetic number, because the mean of its divisors is an integer number (6539710525488).

Almost surely, 2^{100111203112111} is an apocalyptic number.

100111203112111 is a deficient number, since it is larger than the sum of its proper divisors (4524165295697).

100111203112111 is a wasteful number, since it uses less digits than its factorization.

100111203112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210985902.

The product of its (nonzero) digits is 12, while the sum is 16.

Adding to 100111203112111 its reverse (111211302111001), we get a palindrome (211322505223112).

The spelling of 100111203112111 in words is "one hundred trillion, one hundred eleven billion, two hundred three million, one hundred twelve thousand, one hundred eleven".