112120220431 has 2 divisors, whose sum is σ = 112120220432. Its totient is φ = 112120220430.

The previous prime is 112120220423. The next prime is 112120220437. The reversal of 112120220431 is 134022021211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 112120220431 - 2³ = 112120220423 is a prime.

It is a super-2 number, since 2×112120220431² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112120220399 and 112120220408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112120220437) 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 as a sum of consecutive naturals, namely, 56060110215 + 56060110216.

It is an arithmetic number, because the mean of its divisors is an integer number (56060110216).

Almost surely, 2^112120220431 is an apocalyptic number.

112120220431 is a deficient number, since it is larger than the sum of its proper divisors (1).

112120220431 is an equidigital number, since it uses as much as digits as its factorization.

112120220431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 112120220431 its reverse (134022021211), we get a palindrome (246142241642).

The spelling of 112120220431 in words is "one hundred twelve billion, one hundred twenty million, two hundred twenty thousand, four hundred thirty-one".