11020203122 has 16 divisors (see below), whose sum is σ = 17101153944. Its totient is φ = 5322480000.

The previous prime is 11020203121. The next prime is 11020203149. The reversal of 11020203122 is 22130202011.

It is a happy number.

11020203122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7416482161 + 3603720961 = 86119^2 + 60031^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11020203097 and 11020203106.

It is not an unprimeable number, because it can be changed into a prime (11020203121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 657029 + ... + 673592.

Almost surely, 2^11020203122 is an apocalyptic number.

11020203122 is a deficient number, since it is larger than the sum of its proper divisors (6080950822).

11020203122 is a wasteful number, since it uses less digits than its factorization.

11020203122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330765.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 11020203122 its reverse (22130202011), we get a palindrome (33150405133).

The spelling of 11020203122 in words is "eleven billion, twenty million, two hundred three thousand, one hundred twenty-two".