11222220221022 has 16 divisors (see below), whose sum is σ = 22446114187392. Its totient is φ = 3740461116120.

The previous prime is 11222220220987. The next prime is 11222220221057. The reversal of 11222220221022 is 22012202222211.

It is an interprime number because it is at equal distance from previous prime (11222220220987) and next prime (11222220221057).

It is a self number, because there is not a number n which added to its sum of digits gives 11222220221022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69652218 + ... + 69813149.

It is an arithmetic number, because the mean of its divisors is an integer number (1402882136712).

Almost surely, 2^{11222220221022} is an apocalyptic number.

11222220221022 is an abundant number, since it is smaller than the sum of its proper divisors (11223893966370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11222220221022 is a wasteful number, since it uses less digits than its factorization.

11222220221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139478783.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 11222220221022 its reverse (22012202222211), we get a palindrome (33234422443233).

The spelling of 11222220221022 in words is "eleven trillion, two hundred twenty-two billion, two hundred twenty million, two hundred twenty-one thousand, twenty-two".