1100100121211 has 16 divisors (see below), whose sum is σ = 1367927838144. Its totient is φ = 861435592704.

The previous prime is 1100100121147. The next prime is 1100100121243. The reversal of 1100100121211 is 1121210010011.

It is a cyclic number.

It is not a de Polignac number, because 1100100121211 - 2⁶ = 1100100121147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1100100121192 and 1100100121201.

It is not an unprimeable number, because it can be changed into a prime (1100100121291) 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, 62305670 + ... + 62323323.

It is an arithmetic number, because the mean of its divisors is an integer number (85495489884).

Almost surely, 2^{1100100121211} is an apocalyptic number.

1100100121211 is a deficient number, since it is larger than the sum of its proper divisors (267827716933).

1100100121211 is a wasteful number, since it uses less digits than its factorization.

1100100121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124629110.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1100100121211 its reverse (1121210010011), we get a palindrome (2221310131222).

The spelling of 1100100121211 in words is "one trillion, one hundred billion, one hundred million, one hundred twenty-one thousand, two hundred eleven".