11220032212 has 12 divisors (see below), whose sum is σ = 19648636000. Its totient is φ = 5606136216.

The previous prime is 11220032191. The next prime is 11220032221. The reversal of 11220032212 is 21223002211.

It is a happy number.

It is a super-2 number, since 2×11220032212² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 963462 + ... + 975037.

Almost surely, 2^11220032212 is an apocalyptic number.

It is an amenable number.

11220032212 is a deficient number, since it is larger than the sum of its proper divisors (8428603788).

11220032212 is a wasteful number, since it uses less digits than its factorization.

11220032212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939950 (or 1939948 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 11220032212 its reverse (21223002211), we get a palindrome (32443034423).

The spelling of 11220032212 in words is "eleven billion, two hundred twenty million, thirty-two thousand, two hundred twelve".