112201231131 has 128 divisors (see below), whose sum is σ = 192135444480. Its totient is φ = 64049356800.

The previous prime is 112201231127. The next prime is 112201231141. The reversal of 112201231131 is 131132102211.

It is not a de Polignac number, because 112201231131 - 2² = 112201231127 is a prime.

It is a super-2 number, since 2×112201231131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112201231141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 207395721 + ... + 207396261.

It is an arithmetic number, because the mean of its divisors is an integer number (1501058160).

Almost surely, 2^112201231131 is an apocalyptic number.

112201231131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

112201231131 is a deficient number, since it is larger than the sum of its proper divisors (79934213349).

112201231131 is a wasteful number, since it uses less digits than its factorization.

112201231131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994 (or 988 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 112201231131 its reverse (131132102211), we get a palindrome (243333333342).

The spelling of 112201231131 in words is "one hundred twelve billion, two hundred one million, two hundred thirty-one thousand, one hundred thirty-one".