1130221311 has 16 divisors (see below), whose sum is σ = 1579554816. Its totient is φ = 717479136.

The previous prime is 1130221303. The next prime is 1130221373. The reversal of 1130221311 is 1131220311.

It is a happy number.

It is not a de Polignac number, because 1130221311 - 2³ = 1130221303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130221811) 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, 21340 + ... + 52113.

It is an arithmetic number, because the mean of its divisors is an integer number (98722176).

Almost surely, 2^1130221311 is an apocalyptic number.

1130221311 is a deficient number, since it is larger than the sum of its proper divisors (449333505).

1130221311 is a wasteful number, since it uses less digits than its factorization.

1130221311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73702.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1130221311 is about 33618.7642693779. The cubic root of 1130221311 is about 1041.6484308644.

Adding to 1130221311 its reverse (1131220311), we get a palindrome (2261441622).

The spelling of 1130221311 in words is "one billion, one hundred thirty million, two hundred twenty-one thousand, three hundred eleven".