1122113020021 has 24 divisors (see below), whose sum is σ = 1294813644800. Its totient is φ = 952600110336.

The previous prime is 1122113019967. The next prime is 1122113020037. The reversal of 1122113020021 is 1200203112211.

It is not a de Polignac number, because 1122113020021 - 2⁹ = 1122113019509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122113019977 and 1122113020004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122113020621) 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 23 ways as a sum of consecutive naturals, for example, 148640155 + ... + 148647703.

Almost surely, 2^{1122113020021} is an apocalyptic number.

It is an amenable number.

1122113020021 is a deficient number, since it is larger than the sum of its proper divisors (172700624779).

1122113020021 is an equidigital number, since it uses as much as digits as its factorization.

1122113020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9445 (or 9332 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1122113020021 its reverse (1200203112211), we get a palindrome (2322316132232).

The spelling of 1122113020021 in words is "one trillion, one hundred twenty-two billion, one hundred thirteen million, twenty thousand, twenty-one".