11221202212 has 48 divisors (see below), whose sum is σ = 22001595840. Its totient is φ = 4964336000.

The previous prime is 11221202177. The next prime is 11221202263. The reversal of 11221202212 is 21220212211.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240798 + ... + 283594.

It is an arithmetic number, because the mean of its divisors is an integer number (458366580).

Almost surely, 2^11221202212 is an apocalyptic number.

It is an amenable number.

11221202212 is a deficient number, since it is larger than the sum of its proper divisors (10780393628).

11221202212 is a wasteful number, since it uses less digits than its factorization.

11221202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42972 (or 42970 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11221202212 its reverse (21220212211), we get a palindrome (32441414423).

Subtracting 11221202212 from its reverse (21220212211), we obtain a palindrome (9999009999).

The spelling of 11221202212 in words is "eleven billion, two hundred twenty-one million, two hundred two thousand, two hundred twelve".