11201020202 has 16 divisors (see below), whose sum is σ = 17331857952. Its totient is φ = 5426475120.

The previous prime is 11201020199. The next prime is 11201020247. The reversal of 11201020202 is 20202010211.

It is a happy number.

It is a super-2 number, since 2×11201020202² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676988 + ... + 693335.

It is an arithmetic number, because the mean of its divisors is an integer number (1083241122).

Almost surely, 2^11201020202 is an apocalyptic number.

11201020202 is a deficient number, since it is larger than the sum of its proper divisors (6130837750).

11201020202 is a wasteful number, since it uses less digits than its factorization.

11201020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370453.

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

Adding to 11201020202 its reverse (20202010211), we get a palindrome (31403030413).

Subtracting 11201020202 from its reverse (20202010211), we obtain a palindrome (9000990009).

The spelling of 11201020202 in words is "eleven billion, two hundred one million, twenty thousand, two hundred two".