1121011101121 has 4 divisors (see below), whose sum is σ = 1123564657600. Its totient is φ = 1118457544644.

The previous prime is 1121011101083. The next prime is 1121011101137. The reversal of 1121011101121 is 1211011101211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1121011101121 - 2¹¹ = 1121011099073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121011102121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1276777581 + ... + 1276778458.

It is an arithmetic number, because the mean of its divisors is an integer number (280891164400).

Almost surely, 2^{1121011101121} is an apocalyptic number.

It is an amenable number.

1121011101121 is a deficient number, since it is larger than the sum of its proper divisors (2553556479).

1121011101121 is an equidigital number, since it uses as much as digits as its factorization.

1121011101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2553556478.

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

Adding to 1121011101121 its reverse (1211011101211), we get a palindrome (2332022202332).

The spelling of 1121011101121 in words is "one trillion, one hundred twenty-one billion, eleven million, one hundred one thousand, one hundred twenty-one".