11202020022122 has 4 divisors (see below), whose sum is σ = 16803030033186. Its totient is φ = 5601010011060.

The previous prime is 11202020022077. The next prime is 11202020022143. The reversal of 11202020022122 is 22122002020211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7335208472881 + 3866811549241 = 2708359^2 + 1966421^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11202020022122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2800505005529 + ... + 2800505005532.

Almost surely, 2^{11202020022122} is an apocalyptic number.

11202020022122 is a deficient number, since it is larger than the sum of its proper divisors (5601010011064).

11202020022122 is an equidigital number, since it uses as much as digits as its factorization.

11202020022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5601010011063.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 11202020022122 its reverse (22122002020211), we get a palindrome (33324022042333).

The spelling of 11202020022122 in words is "eleven trillion, two hundred two billion, twenty million, twenty-two thousand, one hundred twenty-two".