11001220202 has 24 divisors (see below), whose sum is σ = 19202749380. Its totient is φ = 4713152640.

The previous prime is 11001220159. The next prime is 11001220247. The reversal of 11001220202 is 20202210011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9354564961 + 1646655241 = 96719^2 + 40579^2 .

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, 284552 + ... + 320892.

Almost surely, 2^11001220202 is an apocalyptic number.

11001220202 is a deficient number, since it is larger than the sum of its proper divisors (8201529178).

11001220202 is a wasteful number, since it uses less digits than its factorization.

11001220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39446 (or 39439 counting only the distinct ones).

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

Adding to 11001220202 its reverse (20202210011), we get a palindrome (31203430213).

The spelling of 11001220202 in words is "eleven billion, one million, two hundred twenty thousand, two hundred two".