112100123131 has 16 divisors (see below), whose sum is σ = 117378777600. Its totient is φ = 106855676928.

The previous prime is 112100123129. The next prime is 112100123137. The reversal of 112100123131 is 131321001211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 112100123131 - 2¹ = 112100123129 is a prime.

It is a super-2 number, since 2×112100123131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112100123137) 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, 12277690 + ... + 12286816.

It is an arithmetic number, because the mean of its divisors is an integer number (7336173600).

Almost surely, 2^112100123131 is an apocalyptic number.

112100123131 is a deficient number, since it is larger than the sum of its proper divisors (5278654469).

112100123131 is a wasteful number, since it uses less digits than its factorization.

112100123131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10938.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 112100123131 its reverse (131321001211), we get a palindrome (243421124342).

The spelling of 112100123131 in words is "one hundred twelve billion, one hundred million, one hundred twenty-three thousand, one hundred thirty-one".