100131120112 has 20 divisors (see below), whose sum is σ = 194858695656. Its totient is φ = 49845005120.

The previous prime is 100131120109. The next prime is 100131120119. The reversal of 100131120112 is 211021131001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100131120092 and 100131120101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100131120119) 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, 13780939 + ... + 13788202.

Almost surely, 2^100131120112 is an apocalyptic number.

It is an amenable number.

100131120112 is a deficient number, since it is larger than the sum of its proper divisors (94727575544).

100131120112 is a wasteful number, since it uses less digits than its factorization.

100131120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27569376 (or 27569370 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 100131120112 its reverse (211021131001), we get a palindrome (311152251113).

The spelling of 100131120112 in words is "one hundred billion, one hundred thirty-one million, one hundred twenty thousand, one hundred twelve".