11220202222 has 4 divisors (see below), whose sum is σ = 16830303336. Its totient is φ = 5610101110.

The previous prime is 11220202193. The next prime is 11220202261. The reversal of 11220202222 is 22220202211.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 11220202196 and 11220202205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2805050554 + ... + 2805050557.

It is an arithmetic number, because the mean of its divisors is an integer number (4207575834).

Almost surely, 2^11220202222 is an apocalyptic number.

11220202222 is a deficient number, since it is larger than the sum of its proper divisors (5610101114).

11220202222 is an equidigital number, since it uses as much as digits as its factorization.

11220202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5610101113.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 11220202222 its reverse (22220202211), we get a palindrome (33440404433).

The spelling of 11220202222 in words is "eleven billion, two hundred twenty million, two hundred two thousand, two hundred twenty-two".