1110121011211 has 2 divisors, whose sum is σ = 1110121011212. Its totient is φ = 1110121011210.

The previous prime is 1110121011173. The next prime is 1110121011253. The reversal of 1110121011211 is 1121101210111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1110121011211 - 2¹¹ = 1110121009163 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1110121011191 and 1110121011200.

It is not a weakly prime, because it can be changed into another prime (1110121011281) 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, 555060505605 + 555060505606.

It is an arithmetic number, because the mean of its divisors is an integer number (555060505606).

Almost surely, 2^{1110121011211} is an apocalyptic number.

1110121011211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110121011211 is an equidigital number, since it uses as much as digits as its factorization.

1110121011211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 1110121011211 its reverse (1121101210111), we get a palindrome (2231222221322).

The spelling of 1110121011211 in words is "one trillion, one hundred ten billion, one hundred twenty-one million, eleven thousand, two hundred eleven".