1121101011101 has 4 divisors (see below), whose sum is σ = 1131578590752. Its totient is φ = 1110623431452.

The previous prime is 1121101011073. The next prime is 1121101011131. The reversal of 1121101011101 is 1011101011211.

It is a happy number.

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 1121101011101 - 2²² = 1121096816797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121101011131) 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, 5238789665 + ... + 5238789878.

It is an arithmetic number, because the mean of its divisors is an integer number (282894647688).

Almost surely, 2^{1121101011101} is an apocalyptic number.

It is an amenable number.

1121101011101 is a deficient number, since it is larger than the sum of its proper divisors (10477579651).

1121101011101 is a wasteful number, since it uses less digits than its factorization.

1121101011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10477579650.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 1121101011101 its reverse (1011101011211), we get a palindrome (2132202022312).

It can be divided in two parts, 112110 and 1011101, that added together give a palindrome (1123211).

The spelling of 1121101011101 in words is "one trillion, one hundred twenty-one billion, one hundred one million, eleven thousand, one hundred one".