11212222202 has 16 divisors (see below), whose sum is σ = 17706556800. Its totient is φ = 5310138240.

The previous prime is 11212222159. The next prime is 11212222207. The reversal of 11212222202 is 20222221211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11212222207) 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, 232127 + ... + 276237.

It is an arithmetic number, because the mean of its divisors is an integer number (1106659800).

Almost surely, 2^11212222202 is an apocalyptic number.

11212222202 is a deficient number, since it is larger than the sum of its proper divisors (6494334598).

11212222202 is a wasteful number, since it uses less digits than its factorization.

11212222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50821.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 11212222202 its reverse (20222221211), we get a palindrome (31434443413).

Subtracting 11212222202 from its reverse (20222221211), we obtain a palindrome (9009999009).

The spelling of 11212222202 in words is "eleven billion, two hundred twelve million, two hundred twenty-two thousand, two hundred two".