11202021222 has 32 divisors (see below), whose sum is σ = 26127168000. Its totient is φ = 3200576904.

The previous prime is 11202021211. The next prime is 11202021227. The reversal of 11202021222 is 22212020211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202021227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2719522 + ... + 2723637.

It is an arithmetic number, because the mean of its divisors is an integer number (816474000).

Almost surely, 2^11202021222 is an apocalyptic number.

11202021222 is an abundant number, since it is smaller than the sum of its proper divisors (14925146778).

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

11202021222 is an equidigital number, since it uses as much as digits as its factorization.

11202021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5443185 (or 5443171 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 11202021222 its reverse (22212020211), we get a palindrome (33414041433).

The spelling of 11202021222 in words is "eleven billion, two hundred two million, twenty-one thousand, two hundred twenty-two".