1101001211109 has 6 divisors (see below), whose sum is σ = 1590335082726. Its totient is φ = 734000807400.

The previous prime is 1101001211047. The next prime is 1101001211129. The reversal of 1101001211109 is 9011121001011.

It can be written as a sum of positive squares in only one way, i.e., 712541950884 + 388459260225 = 844122^2 + 623265^2 .

It is not a de Polignac number, because 1101001211109 - 2¹⁷ = 1101001080037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1101001211091 and 1101001211100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101001211129) 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 5 ways as a sum of consecutive naturals, for example, 61166733942 + ... + 61166733959.

It is an arithmetic number, because the mean of its divisors is an integer number (265055847121).

Almost surely, 2^{1101001211109} is an apocalyptic number.

It is an amenable number.

1101001211109 is a deficient number, since it is larger than the sum of its proper divisors (489333871617).

1101001211109 is a wasteful number, since it uses less digits than its factorization.

1101001211109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122333467907 (or 122333467904 counting only the distinct ones).

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

The spelling of 1101001211109 in words is "one trillion, one hundred one billion, one million, two hundred eleven thousand, one hundred nine".