112021111131 has 8 divisors (see below), whose sum is σ = 149372927760. Its totient is φ = 74675017632.

The previous prime is 112021111129. The next prime is 112021111157. The reversal of 112021111131 is 131111120211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 112021111131 - 2¹ = 112021111129 is a prime.

It is a super-3 number, since 3×112021111131³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 112021111131.

It is not an unprimeable number, because it can be changed into a prime (112021111331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1384900 + ... + 1463553.

It is an arithmetic number, because the mean of its divisors is an integer number (18671615970).

Almost surely, 2^112021111131 is an apocalyptic number.

112021111131 is a deficient number, since it is larger than the sum of its proper divisors (37351816629).

112021111131 is a wasteful number, since it uses less digits than its factorization.

112021111131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2861565.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 112021111131 its reverse (131111120211), we get a palindrome (243132231342).

The spelling of 112021111131 in words is "one hundred twelve billion, twenty-one million, one hundred eleven thousand, one hundred thirty-one".