11222122202 has 16 divisors (see below), whose sum is σ = 17381202432. Its totient is φ = 5428492560.

The previous prime is 11222122201. The next prime is 11222122207. The reversal of 11222122202 is 20222122211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11222122201) 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, 207203 + ... + 255689.

It is an arithmetic number, because the mean of its divisors is an integer number (1086325152).

Almost surely, 2^11222122202 is an apocalyptic number.

11222122202 is a deficient number, since it is larger than the sum of its proper divisors (6159080230).

11222122202 is a wasteful number, since it uses less digits than its factorization.

11222122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52253.

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

Adding to 11222122202 its reverse (20222122211), we get a palindrome (31444244413).

Subtracting 11222122202 from its reverse (20222122211), we obtain a palindrome (9000000009).

The spelling of 11222122202 in words is "eleven billion, two hundred twenty-two million, one hundred twenty-two thousand, two hundred two".