11021020202 has 12 divisors (see below), whose sum is σ = 17561176710. Its totient is φ = 5186362176.

The previous prime is 11021020201. The next prime is 11021020229. The reversal of 11021020202 is 20202012011.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 10695903241 + 325116961 = 103421^2 + 18031^2 .

It is not an unprimeable number, because it can be changed into a prime (11021020201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9533177 + ... + 9534332.

Almost surely, 2^11021020202 is an apocalyptic number.

11021020202 is a deficient number, since it is larger than the sum of its proper divisors (6540156508).

11021020202 is a wasteful number, since it uses less digits than its factorization.

11021020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19067545 (or 19067528 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 11021020202 its reverse (20202012011), we get a palindrome (31223032213).

The spelling of 11021020202 in words is "eleven billion, twenty-one million, twenty thousand, two hundred two".