11201222212 has 24 divisors (see below), whose sum is σ = 19834075800. Its totient is φ = 5534726400.

The previous prime is 11201222183. The next prime is 11201222243. The reversal of 11201222212 is 21222210211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 777628996 + 10423593216 = 27886^2 + 102096^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69712 + ... + 165112.

It is an arithmetic number, because the mean of its divisors is an integer number (826419825).

Almost surely, 2^11201222212 is an apocalyptic number.

It is an amenable number.

11201222212 is a deficient number, since it is larger than the sum of its proper divisors (8632853588).

11201222212 is a wasteful number, since it uses less digits than its factorization.

11201222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95751 (or 95749 counting only the distinct ones).

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

Adding to 11201222212 its reverse (21222210211), we get a palindrome (32423432423).

The spelling of 11201222212 in words is "eleven billion, two hundred one million, two hundred twenty-two thousand, two hundred twelve".