1132221112 has 16 divisors (see below), whose sum is σ = 2315907000. Its totient is φ = 514645920.

The previous prime is 1132221107. The next prime is 1132221119. The reversal of 1132221112 is 2111222311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132221119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6432987 + ... + 6433162.

Almost surely, 2^1132221112 is an apocalyptic number.

It is an amenable number.

1132221112 is an abundant number, since it is smaller than the sum of its proper divisors (1183685888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1132221112 is a wasteful number, since it uses less digits than its factorization.

1132221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12866166 (or 12866162 counting only the distinct ones).

The product of its digits is 48, while the sum is 16.

The square root of 1132221112 is about 33648.4934581030. The cubic root of 1132221112 is about 1042.2624292502.

Adding to 1132221112 its reverse (2111222311), we get a palindrome (3243443423).

The spelling of 1132221112 in words is "one billion, one hundred thirty-two million, two hundred twenty-one thousand, one hundred twelve".