11101222220022 has 96 divisors (see below), whose sum is σ = 28012348394784. Its totient is φ = 3166123868160.

The previous prime is 11101222220021. The next prime is 11101222220059. The reversal of 11101222220022 is 22002222210111.

It is a happy number.

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 = 11101222219977 and 11101222220004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101222220021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13221003 + ... + 14035574.

It is an arithmetic number, because the mean of its divisors is an integer number (291795295779).

Almost surely, 2^{11101222220022} is an apocalyptic number.

11101222220022 is an abundant number, since it is smaller than the sum of its proper divisors (16911126174762).

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

11101222220022 is a wasteful number, since it uses less digits than its factorization.

11101222220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27256635 (or 27256610 counting only the distinct ones).

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

Adding to 11101222220022 its reverse (22002222210111), we get a palindrome (33103444430133).

The spelling of 11101222220022 in words is "eleven trillion, one hundred one billion, two hundred twenty-two million, two hundred twenty thousand, twenty-two".