11201222210212 has 24 divisors (see below), whose sum is σ = 19734009120000. Its totient is φ = 5562935080416.

The previous prime is 11201222210203. The next prime is 11201222210219. The reversal of 11201222210212 is 21201222210211.

It is a self number, because there is not a number n which added to its sum of digits gives 11201222210212.

It is not an unprimeable number, because it can be changed into a prime (11201222210219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54191853 + ... + 54398155.

It is an arithmetic number, because the mean of its divisors is an integer number (822250380000).

Almost surely, 2^{11201222210212} is an apocalyptic number.

It is an amenable number.

11201222210212 is a deficient number, since it is larger than the sum of its proper divisors (8532786909788).

11201222210212 is a wasteful number, since it uses less digits than its factorization.

11201222210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297555 (or 297553 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11201222210212 its reverse (21201222210211), we get a palindrome (32402444420423).

Subtracting 11201222210212 from its reverse (21201222210211), we obtain a palindrome (9999999999999).

The spelling of 11201222210212 in words is "eleven trillion, two hundred one billion, two hundred twenty-two million, two hundred ten thousand, two hundred twelve".