11221211202 has 64 divisors (see below), whose sum is σ = 23154768000. Its totient is φ = 3623961600.

The previous prime is 11221211171. The next prime is 11221211219. The reversal of 11221211202 is 20211212211.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7485049 + ... + 7486547.

It is an arithmetic number, because the mean of its divisors is an integer number (361793250).

Almost surely, 2^11221211202 is an apocalyptic number.

11221211202 is an abundant number, since it is smaller than the sum of its proper divisors (11933556798).

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

11221211202 is a wasteful number, since it uses less digits than its factorization.

11221211202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859.

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

Adding to 11221211202 its reverse (20211212211), we get a palindrome (31432423413).

The spelling of 11221211202 in words is "eleven billion, two hundred twenty-one million, two hundred eleven thousand, two hundred two".