1121101100121 has 16 divisors (see below), whose sum is σ = 1616001588800. Its totient is φ = 688926990528.

The previous prime is 1121101100087. The next prime is 1121101100123. The reversal of 1121101100121 is 1210011011211.

It is not a de Polignac number, because 1121101100121 - 2¹⁴ = 1121101083737 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1121101100097 and 1121101100106.

It is not an unprimeable number, because it can be changed into a prime (1121101100123) 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, 265787626 + ... + 265791843.

It is an arithmetic number, because the mean of its divisors is an integer number (101000099300).

Almost surely, 2^{1121101100121} is an apocalyptic number.

It is an amenable number.

1121101100121 is a deficient number, since it is larger than the sum of its proper divisors (494900488679).

1121101100121 is a wasteful number, since it uses less digits than its factorization.

1121101100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531579528.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1121101100121 its reverse (1210011011211), we get a palindrome (2331112111332).

The spelling of 1121101100121 in words is "one trillion, one hundred twenty-one billion, one hundred one million, one hundred thousand, one hundred twenty-one".