11012220222222 has 32 divisors (see below), whose sum is σ = 22040215067520. Its totient is φ = 3668111278560.

The previous prime is 11012220222137. The next prime is 11012220222251. The reversal of 11012220222222 is 22222202221011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208210993 + ... + 208263875.

It is an arithmetic number, because the mean of its divisors is an integer number (688756720860).

Almost surely, 2^{11012220222222} is an apocalyptic number.

11012220222222 is an abundant number, since it is smaller than the sum of its proper divisors (11027994845298).

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

11012220222222 is a wasteful number, since it uses less digits than its factorization.

11012220222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77088.

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

Adding to 11012220222222 its reverse (22222202221011), we get a palindrome (33234422443233).

The spelling of 11012220222222 in words is "eleven trillion, twelve billion, two hundred twenty million, two hundred twenty-two thousand, two hundred twenty-two".