11212221032 has 16 divisors (see below), whose sum is σ = 21058375140. Its totient is φ = 5596654336.

The previous prime is 11212221029. The next prime is 11212221047. The reversal of 11212221032 is 23012221211.

It can be written as a sum of positive squares in 2 ways, for example, as 11107895236 + 104325796 = 105394^2 + 10214^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11212221032.

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, 1176983 + ... + 1186470.

Almost surely, 2^11212221032 is an apocalyptic number.

It is an amenable number.

11212221032 is a deficient number, since it is larger than the sum of its proper divisors (9846154108).

11212221032 is a wasteful number, since it uses less digits than its factorization.

11212221032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364052 (or 2364048 counting only the distinct ones).

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

Adding to 11212221032 its reverse (23012221211), we get a palindrome (34224442243).

The spelling of 11212221032 in words is "eleven billion, two hundred twelve million, two hundred twenty-one thousand, thirty-two".