1121011121011 has 16 divisors (see below), whose sum is σ = 1177473653568. Its totient is φ = 1065195331200.

The previous prime is 1121011120993. The next prime is 1121011121039. The reversal of 1121011121011 is 1101211101211.

It is a cyclic number.

It is not a de Polignac number, because 1121011121011 - 2⁵ = 1121011120979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121011120982 and 1121011121000.

It is not an unprimeable number, because it can be changed into a prime (1121011121411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16652841 + ... + 16720021.

It is an arithmetic number, because the mean of its divisors is an integer number (73592103348).

Almost surely, 2^{1121011121011} is an apocalyptic number.

1121011121011 is a deficient number, since it is larger than the sum of its proper divisors (56462532557).

1121011121011 is a wasteful number, since it uses less digits than its factorization.

1121011121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71982.

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

Adding to 1121011121011 its reverse (1101211101211), we get a palindrome (2222222222222).

The spelling of 1121011121011 in words is "one trillion, one hundred twenty-one billion, eleven million, one hundred twenty-one thousand, eleven".