112221101031 has 32 divisors (see below), whose sum is σ = 167756487360. Its totient is φ = 66252985344.

The previous prime is 112221100951. The next prime is 112221101033. The reversal of 112221101031 is 130101122211.

It is not a de Polignac number, because 112221101031 - 2¹⁰ = 112221100007 is a prime.

It is a super-2 number, since 2×112221101031² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 112221101031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112221101033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138430 + ... + 493563.

It is an arithmetic number, because the mean of its divisors is an integer number (5242390230).

Almost surely, 2^112221101031 is an apocalyptic number.

112221101031 is a deficient number, since it is larger than the sum of its proper divisors (55535386329).

112221101031 is a wasteful number, since it uses less digits than its factorization.

112221101031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632195.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 112221101031 its reverse (130101122211), we get a palindrome (242322223242).

The spelling of 112221101031 in words is "one hundred twelve billion, two hundred twenty-one million, one hundred one thousand, thirty-one".