1112213420231 has 32 divisors (see below), whose sum is σ = 1160126822400. Its totient is φ = 1065458085120.

The previous prime is 1112213420177. The next prime is 1112213420233. The reversal of 1112213420231 is 1320243122111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112213420231 is a prime.

It is a super-2 number, since 2×1112213420231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112213420197 and 1112213420206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112213420233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 666394265 + ... + 666395933.

It is an arithmetic number, because the mean of its divisors is an integer number (36253963200).

Almost surely, 2^{1112213420231} is an apocalyptic number.

1112213420231 is a deficient number, since it is larger than the sum of its proper divisors (47913402169).

1112213420231 is a wasteful number, since it uses less digits than its factorization.

1112213420231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2799.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1112213420231 its reverse (1320243122111), we get a palindrome (2432456542342).

The spelling of 1112213420231 in words is "one trillion, one hundred twelve billion, two hundred thirteen million, four hundred twenty thousand, two hundred thirty-one".