1110121212211 has 16 divisors (see below), whose sum is σ = 1239273813888. Its totient is φ = 985676630400.

The previous prime is 1110121212191. The next prime is 1110121212223. The reversal of 1110121212211 is 1122121210111.

It is not a de Polignac number, because 1110121212211 - 2¹³ = 1110121204019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1110121212251) 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 in 15 ways as a sum of consecutive naturals, for example, 10170556 + ... + 10279126.

It is an arithmetic number, because the mean of its divisors is an integer number (77454613368).

Almost surely, 2^{1110121212211} is an apocalyptic number.

1110121212211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1110121212211 is a deficient number, since it is larger than the sum of its proper divisors (129152601677).

1110121212211 is a wasteful number, since it uses less digits than its factorization.

1110121212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130242.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 1110121212211 its reverse (1122121210111), we get a palindrome (2232242422322).

The spelling of 1110121212211 in words is "one trillion, one hundred ten billion, one hundred twenty-one million, two hundred twelve thousand, two hundred eleven".