11220202212 has 24 divisors (see below), whose sum is σ = 26205844896. Its totient is φ = 3736442688.

The previous prime is 11220202193. The next prime is 11220202261. The reversal of 11220202212 is 21220202211.

11220202212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×11220202212³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11220202191 and 11220202200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440178 + ... + 464969.

It is an arithmetic number, because the mean of its divisors is an integer number (1091910204).

Almost surely, 2^11220202212 is an apocalyptic number.

11220202212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11220202212 is an abundant number, since it is smaller than the sum of its proper divisors (14985642684).

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

11220202212 is a wasteful number, since it uses less digits than its factorization.

11220202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906187 (or 906185 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 11220202212 its reverse (21220202211), we get a palindrome (32440404423).

Subtracting 11220202212 from its reverse (21220202211), we obtain a palindrome (9999999999).

The spelling of 11220202212 in words is "eleven billion, two hundred twenty million, two hundred two thousand, two hundred twelve".