1112211031 has 2 divisors, whose sum is σ = 1112211032. Its totient is φ = 1112211030.

The previous prime is 1112211019. The next prime is 1112211041. The reversal of 1112211031 is 1301122111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1112211031 - 2¹¹ = 1112208983 is a prime.

It is a super-2 number, since 2×1112211031² = 2474026754956165922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112211041) 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 as a sum of consecutive naturals, namely, 556105515 + 556105516.

It is an arithmetic number, because the mean of its divisors is an integer number (556105516).

Almost surely, 2^1112211031 is an apocalyptic number.

1112211031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112211031 is an equidigital number, since it uses as much as digits as its factorization.

1112211031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1112211031 is about 33349.8280505312. The cubic root of 1112211031 is about 1036.0858266204.

Adding to 1112211031 its reverse (1301122111), we get a palindrome (2413333142).

The spelling of 1112211031 in words is "one billion, one hundred twelve million, two hundred eleven thousand, thirty-one".