11011220122 has 24 divisors (see below), whose sum is σ = 19313040276. Its totient is φ = 4694635008.

The previous prime is 11011220111. The next prime is 11011220131. The reversal of 11011220122 is 22102211011.

It can be written as a sum of positive squares in 2 ways, for example, as 10312199401 + 699020721 = 101549^2 + 26439^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 272173 + ... + 310000.

Almost surely, 2^11011220122 is an apocalyptic number.

11011220122 is a deficient number, since it is larger than the sum of its proper divisors (8301820154).

11011220122 is a wasteful number, since it uses less digits than its factorization.

11011220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582382 (or 582375 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11011220122 its reverse (22102211011), we get a palindrome (33113431133).

The spelling of 11011220122 in words is "eleven billion, eleven million, two hundred twenty thousand, one hundred twenty-two".