11022222122 has 8 divisors (see below), whose sum is σ = 16551975456. Its totient is φ = 5504896972.

The previous prime is 11022222109. The next prime is 11022222137. The reversal of 11022222122 is 22122222011.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11022222122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3104828 + ... + 3108375.

It is an arithmetic number, because the mean of its divisors is an integer number (2068996932).

Almost surely, 2^11022222122 is an apocalyptic number.

11022222122 is a deficient number, since it is larger than the sum of its proper divisors (5529753334).

11022222122 is an equidigital number, since it uses as much as digits as its factorization.

11022222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6214092.

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

Adding to 11022222122 its reverse (22122222011), we get a palindrome (33144444133).

The spelling of 11022222122 in words is "eleven billion, twenty-two million, two hundred twenty-two thousand, one hundred twenty-two".