1163220112 has 20 divisors (see below), whose sum is σ = 2274805296. Its totient is φ = 576173600.

The previous prime is 1163220103. The next prime is 1163220127. The reversal of 1163220112 is 2110223611.

It is a super-2 number, since 2×1163220112² = 2706162057922585088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1163220112.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338014 + ... + 341437.

Almost surely, 2^1163220112 is an apocalyptic number.

It is an amenable number.

1163220112 is a deficient number, since it is larger than the sum of its proper divisors (1111585184).

1163220112 is a wasteful number, since it uses less digits than its factorization.

1163220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679566 (or 679560 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1163220112 is about 34106.0128423127. The cubic root of 1163220112 is about 1051.6889257449.

Adding to 1163220112 its reverse (2110223611), we get a palindrome (3273443723).

The spelling of 1163220112 in words is "one billion, one hundred sixty-three million, two hundred twenty thousand, one hundred twelve".