1130200021 has 4 divisors (see below), whose sum is σ = 1132560000. Its totient is φ = 1127840044.

The previous prime is 1130200007. The next prime is 1130200031. The reversal of 1130200021 is 1200020311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1130200021 - 2⁵ = 1130199989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1130199980 and 1130200007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130200031) 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 3 ways as a sum of consecutive naturals, for example, 1179271 + ... + 1180228.

It is an arithmetic number, because the mean of its divisors is an integer number (283140000).

Almost surely, 2^1130200021 is an apocalyptic number.

It is an amenable number.

1130200021 is a deficient number, since it is larger than the sum of its proper divisors (2359979).

1130200021 is an equidigital number, since it uses as much as digits as its factorization.

1130200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2359978.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1130200021 is about 33618.4476292407. The cubic root of 1130200021 is about 1041.6418903063.

Adding to 1130200021 its reverse (1200020311), we get a palindrome (2330220332).

The spelling of 1130200021 in words is "one billion, one hundred thirty million, two hundred thousand, twenty-one".