1130221213 has 16 divisors (see below), whose sum is σ = 1300976640. Its totient is φ = 971060400.

The previous prime is 1130221207. The next prime is 1130221223. The reversal of 1130221213 is 3121220311.

It is a cyclic number.

It is not a de Polignac number, because 1130221213 - 2²⁹ = 593350301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130221223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83806 + ... + 96352.

It is an arithmetic number, because the mean of its divisors is an integer number (81311040).

Almost surely, 2^1130221213 is an apocalyptic number.

It is an amenable number.

1130221213 is a deficient number, since it is larger than the sum of its proper divisors (170755427).

1130221213 is a wasteful number, since it uses less digits than its factorization.

1130221213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13008.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1130221213 is about 33618.7628118585. The cubic root of 1130221213 is about 1041.6484007577.

Adding to 1130221213 its reverse (3121220311), we get a palindrome (4251441524).

The spelling of 1130221213 in words is "one billion, one hundred thirty million, two hundred twenty-one thousand, two hundred thirteen".