11211222202 has 8 divisors (see below), whose sum is σ = 16817879700. Its totient is φ = 5605262304.

The previous prime is 11211222181. The next prime is 11211222223. The reversal of 11211222202 is 20222211211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11211222181) and next prime (11211222223).

It can be written as a sum of positive squares in 2 ways, for example, as 8991022041 + 2220200161 = 94821^2 + 47119^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 132177 + ... + 199732.

Almost surely, 2^11211222202 is an apocalyptic number.

11211222202 is a deficient number, since it is larger than the sum of its proper divisors (5606657498).

11211222202 is a wasteful number, since it uses less digits than its factorization.

11211222202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348800.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11211222202 its reverse (20222211211), we get a palindrome (31433433413).

The spelling of 11211222202 in words is "eleven billion, two hundred eleven million, two hundred twenty-two thousand, two hundred two".