1120021113 has 8 divisors (see below), whose sum is σ = 1493550400. Its totient is φ = 746586288.

The previous prime is 1120021099. The next prime is 1120021171. The reversal of 1120021113 is 3111200211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1120021113 - 2¹⁰ = 1120020089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1120021193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11523 + ... + 48711.

It is an arithmetic number, because the mean of its divisors is an integer number (186693800).

Almost surely, 2^1120021113 is an apocalyptic number.

It is an amenable number.

1120021113 is a deficient number, since it is larger than the sum of its proper divisors (373529287).

1120021113 is a wasteful number, since it uses less digits than its factorization.

1120021113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47231.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1120021113 is about 33466.7164956468. The cubic root of 1120021113 is about 1038.5053458725.

Adding to 1120021113 its reverse (3111200211), we get a palindrome (4231221324).

The spelling of 1120021113 in words is "one billion, one hundred twenty million, twenty-one thousand, one hundred thirteen".