1120420021011 has 12 divisors (see below), whose sum is σ = 1561669243848. Its totient is φ = 714470737024.

The previous prime is 1120420020977. The next prime is 1120420021033. The reversal of 1120420021011 is 1101200240211.

It is not a de Polignac number, because 1120420021011 - 2³⁰ = 1119346279187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1120420021711) 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 11 ways as a sum of consecutive naturals, for example, 352997790 + ... + 353000963.

It is an arithmetic number, because the mean of its divisors is an integer number (130139103654).

Almost surely, 2^{1120420021011} is an apocalyptic number.

1120420021011 is a deficient number, since it is larger than the sum of its proper divisors (441249222837).

1120420021011 is an equidigital number, since it uses as much as digits as its factorization.

1120420021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705998802 (or 705998779 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1120420021011 its reverse (1101200240211), we get a palindrome (2221620261222).

The spelling of 1120420021011 in words is "one trillion, one hundred twenty billion, four hundred twenty million, twenty-one thousand, eleven".