11220001122042 has 24 divisors (see below), whose sum is σ = 24310532120160. Its totient is φ = 3739918883400.

The previous prime is 11220001122041. The next prime is 11220001122059. The reversal of 11220001122042 is 24022110002211.

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

It is not an unprimeable number, because it can be changed into a prime (11220001122041) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 5938942 + ... + 7596777.

It is an arithmetic number, because the mean of its divisors is an integer number (1012938838340).

Almost surely, 2^{11220001122042} is an apocalyptic number.

11220001122042 is an abundant number, since it is smaller than the sum of its proper divisors (13090530998118).

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

11220001122042 is a wasteful number, since it uses less digits than its factorization.

11220001122042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13581778 (or 13581775 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11220001122042 its reverse (24022110002211), we get a palindrome (35242111124253).

The spelling of 11220001122042 in words is "eleven trillion, two hundred twenty billion, one million, one hundred twenty-two thousand, forty-two".