11211202212 has 48 divisors (see below), whose sum is σ = 30028293120. Its totient is φ = 3189084192.

The previous prime is 11211202157. The next prime is 11211202229. The reversal of 11211202212 is 21220211211.

It is a junction number, because it is equal to n+sod(n) for n = 11211202191 and 11211202200.

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, 274912 + ... + 313047.

It is an arithmetic number, because the mean of its divisors is an integer number (625589440).

Almost surely, 2^11211202212 is an apocalyptic number.

11211202212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11211202212 is an abundant number, since it is smaller than the sum of its proper divisors (18817090908).

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

11211202212 is a wasteful number, since it uses less digits than its factorization.

11211202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588200 (or 588198 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11211202212 its reverse (21220211211), we get a palindrome (32431413423).

The spelling of 11211202212 in words is "eleven billion, two hundred eleven million, two hundred two thousand, two hundred twelve".