11122122202 has 4 divisors (see below), whose sum is σ = 16683183306. Its totient is φ = 5561061100.

The previous prime is 11122122197. The next prime is 11122122217. The reversal of 11122122202 is 20222122111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20222122111 = 4339 ⋅4660549.

It can be written as a sum of positive squares in only one way, i.e., 9285056881 + 1837065321 = 96359^2 + 42861^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2780530549 + ... + 2780530552.

Almost surely, 2^11122122202 is an apocalyptic number.

11122122202 is a deficient number, since it is larger than the sum of its proper divisors (5561061104).

11122122202 is an equidigital number, since it uses as much as digits as its factorization.

11122122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5561061103.

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

Adding to 11122122202 its reverse (20222122111), we get a palindrome (31344244313).

Subtracting 11122122202 from its reverse (20222122111), we obtain a palindrome (9099999909).

The spelling of 11122122202 in words is "eleven billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred two".