100131100111 has 6 divisors (see below), whose sum is σ = 116479034880. Its totient is φ = 85826657196.

The previous prime is 100131100079. The next prime is 100131100123. The reversal of 100131100111 is 111001131001.

It is not a de Polignac number, because 100131100111 - 2⁵ = 100131100079 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 (100131100711) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1021745871 + ... + 1021745968.

It is an arithmetic number, because the mean of its divisors is an integer number (19413172480).

Almost surely, 2^100131100111 is an apocalyptic number.

100131100111 is a deficient number, since it is larger than the sum of its proper divisors (16347934769).

100131100111 is an equidigital number, since it uses as much as digits as its factorization.

100131100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043491853 (or 2043491846 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 10.

Adding to 100131100111 its reverse (111001131001), we get a palindrome (211132231112).

The spelling of 100131100111 in words is "one hundred billion, one hundred thirty-one million, one hundred thousand, one hundred eleven".