112121111331 has 10 divisors (see below), whose sum is σ = 167489561492. Its totient is φ = 74747407500.

The previous prime is 112121111243. The next prime is 112121111383. The reversal of 112121111331 is 133111121211.

112121111331 is a `hidden beast` number, since 1 + 121 + 211 + 1 + 1 + 331 = 666.

It is not a de Polignac number, because 112121111331 - 2¹¹ = 112121109283 is a prime.

It is a super-2 number, since 2×112121111331² (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 (112121111231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 692105545 + ... + 692105706.

Almost surely, 2^112121111331 is an apocalyptic number.

112121111331 is a deficient number, since it is larger than the sum of its proper divisors (55368450161).

112121111331 is an equidigital number, since it uses as much as digits as its factorization.

112121111331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384211263 (or 1384211254 counting only the distinct ones).

The product of its digits is 36, while the sum is 18.

Adding to 112121111331 its reverse (133111121211), we get a palindrome (245232232542).

The spelling of 112121111331 in words is "one hundred twelve billion, one hundred twenty-one million, one hundred eleven thousand, three hundred thirty-one".