1130000221 has 24 divisors (see below), whose sum is σ = 1360127160. Its totient is φ = 935424000.

The previous prime is 1130000219. The next prime is 1130000231. The reversal of 1130000221 is 1220000311.

It can be written as a sum of positive squares in 4 ways, for example, as 59074596 + 1070925625 = 7686^2 + 32725^2 .

It is not a de Polignac number, because 1130000221 - 2¹ = 1130000219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1130000198 and 1130000207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130000231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200125 + ... + 205693.

It is an arithmetic number, because the mean of its divisors is an integer number (56671965).

Almost surely, 2^1130000221 is an apocalyptic number.

It is an amenable number.

1130000221 is a deficient number, since it is larger than the sum of its proper divisors (230126939).

1130000221 is a wasteful number, since it uses less digits than its factorization.

1130000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5725 (or 5718 counting only the distinct ones).

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

The square root of 1130000221 is about 33615.4759151198. The cubic root of 1130000221 is about 1041.5805052090.

Adding to 1130000221 its reverse (1220000311), we get a palindrome (2350000532).

The spelling of 1130000221 in words is "one billion, one hundred thirty million, two hundred twenty-one", and thus it is an aban number.