11221011220122 has 24 divisors (see below), whose sum is σ = 26522390157120. Its totient is φ = 3400306430280.

The previous prime is 11221011220117. The next prime is 11221011220123. The reversal of 11221011220122 is 22102211012211.

11221011220122 is a `hidden beast` number, since 112 + 210 + 1 + 1 + 220 + 122 = 666.

It is a super-2 number, since 2×11221011220122² (a number of 27 digits) contains 22 as substring.

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 = 11221011220095 and 11221011220104.

It is not an unprimeable number, because it can be changed into a prime (11221011220123) 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 11 ways as a sum of consecutive naturals, for example, 28335886722 + ... + 28335887117.

It is an arithmetic number, because the mean of its divisors is an integer number (1105099589880).

Almost surely, 2^{11221011220122} is an apocalyptic number.

11221011220122 is an abundant number, since it is smaller than the sum of its proper divisors (15301378936998).

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

11221011220122 is a wasteful number, since it uses less digits than its factorization.

11221011220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56671773858 (or 56671773855 counting only the distinct ones).

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

Adding to 11221011220122 its reverse (22102211012211), we get a palindrome (33323222232333).

The spelling of 11221011220122 in words is "eleven trillion, two hundred twenty-one billion, eleven million, two hundred twenty thousand, one hundred twenty-two".