11012220121122 has 64 divisors (see below), whose sum is σ = 26698112593920. Its totient is φ = 3336808726800.

The previous prime is 11012220121109. The next prime is 11012220121157. The reversal of 11012220121122 is 22112102221011.

11012220121122 is a `hidden beast` number, since 110 + 122 + 201 + 211 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11012220121095 and 11012220121104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8184603 + ... + 9434625.

It is an arithmetic number, because the mean of its divisors is an integer number (417158009280).

Almost surely, 2^{11012220121122} is an apocalyptic number.

11012220121122 is an abundant number, since it is smaller than the sum of its proper divisors (15685892472798).

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

11012220121122 is a wasteful number, since it uses less digits than its factorization.

11012220121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264876 (or 1264870 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11012220121122 its reverse (22112102221011), we get a palindrome (33124322342133).

The spelling of 11012220121122 in words is "eleven trillion, twelve billion, two hundred twenty million, one hundred twenty-one thousand, one hundred twenty-two".