1113311121011 has 2 divisors, whose sum is σ = 1113311121012. Its totient is φ = 1113311121010.

The previous prime is 1113311120927. The next prime is 1113311121031. The reversal of 1113311121011 is 1101211133111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1113311121011 - 2¹⁴ = 1113311104627 is a prime.

It is not a weakly prime, because it can be changed into another prime (1113311121031) 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, 556655560505 + 556655560506.

It is an arithmetic number, because the mean of its divisors is an integer number (556655560506).

Almost surely, 2^{1113311121011} is an apocalyptic number.

1113311121011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113311121011 is an equidigital number, since it uses as much as digits as its factorization.

1113311121011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 17.

Adding to 1113311121011 its reverse (1101211133111), we get a palindrome (2214522254122).

The spelling of 1113311121011 in words is "one trillion, one hundred thirteen billion, three hundred eleven million, one hundred twenty-one thousand, eleven".