1120021111105 has 16 divisors (see below), whose sum is σ = 1452065981184. Its totient is φ = 824433036480.

The previous prime is 1120021111103. The next prime is 1120021111133. The reversal of 1120021111105 is 5011111200211.

It is not a de Polignac number, because 1120021111105 - 2¹ = 1120021111103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1120021111103) 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 15 ways as a sum of consecutive naturals, for example, 27682509 + ... + 27722938.

It is an arithmetic number, because the mean of its divisors is an integer number (90754123824).

Almost surely, 2^{1120021111105} is an apocalyptic number.

It is an amenable number.

1120021111105 is a deficient number, since it is larger than the sum of its proper divisors (332044870079).

1120021111105 is a wasteful number, since it uses less digits than its factorization.

1120021111105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55405776.

The product of its (nonzero) digits is 20, while the sum is 16.

Adding to 1120021111105 its reverse (5011111200211), we get a palindrome (6131132311316).

The spelling of 1120021111105 in words is "one trillion, one hundred twenty billion, twenty-one million, one hundred eleven thousand, one hundred five".