1111112141 has 2 divisors, whose sum is σ = 1111112142. Its totient is φ = 1111112140.

The previous prime is 1111112117. The next prime is 1111112147. The reversal of 1111112141 is 1412111111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1110555625 + 556516 = 33325^2 + 746^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111112141 - 2¹⁸ = 1110849997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111112147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555556070 + 555556071.

It is an arithmetic number, because the mean of its divisors is an integer number (555556071).

Almost surely, 2^1111112141 is an apocalyptic number.

It is an amenable number.

1111112141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111112141 is an equidigital number, since it uses as much as digits as its factorization.

1111112141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8, while the sum is 14.

The square root of 1111112141 is about 33333.3487816631. The cubic root of 1111112141 is about 1035.7444886616.

Adding to 1111112141 its reverse (1412111111), we get a palindrome (2523223252).

The spelling of 1111112141 in words is "one billion, one hundred eleven million, one hundred twelve thousand, one hundred forty-one".