2221112132 has 12 divisors (see below), whose sum is σ = 3887287740. Its totient is φ = 1110458496.

The previous prime is 2221112123. The next prime is 2221112189. The reversal of 2221112132 is 2312111222.

It can be written as a sum of positive squares in 2 ways, for example, as 1111955716 + 1109156416 = 33346^2 + 33304^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2221112132.

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, 57008 + ... + 87704.

It is an arithmetic number, because the mean of its divisors is an integer number (323940645).

Almost surely, 2^2221112132 is an apocalyptic number.

It is an amenable number.

2221112132 is a deficient number, since it is larger than the sum of its proper divisors (1666175608).

2221112132 is a wasteful number, since it uses less digits than its factorization.

2221112132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48790 (or 48788 counting only the distinct ones).

The product of its digits is 96, while the sum is 17.

The square root of 2221112132 is about 47128.6763234445. The cubic root of 2221112132 is about 1304.7385513829.

Adding to 2221112132 its reverse (2312111222), we get a palindrome (4533223354).

It can be divided in two parts, 22211 and 12132, that added together give a palindrome (34343).

The spelling of 2221112132 in words is "two billion, two hundred twenty-one million, one hundred twelve thousand, one hundred thirty-two".