11110202221122 has 192 divisors, whose sum is σ = 25775925084000. Its totient is φ = 3451807457280.

The previous prime is 11110202221009. The next prime is 11110202221123. The reversal of 11110202221122 is 22112220201111.

11110202221122 is a `hidden beast` number, since 11 + 110 + 202 + 221 + 122 = 666.

It can be written as a sum of positive squares in 16 ways, for example, as 311742438921 + 10798459782201 = 558339^2 + 3286101^2 .

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 = 11110202221095 and 11110202221104.

It is not an unprimeable number, because it can be changed into a prime (11110202221123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3559819722 + ... + 3559822842.

Almost surely, 2^{11110202221122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11110202221122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12887962542000).

11110202221122 is an abundant number, since it is smaller than the sum of its proper divisors (14665722862878).

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

11110202221122 is a wasteful number, since it uses less digits than its factorization.

11110202221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4581 (or 4578 counting only the distinct ones).

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

Adding to 11110202221122 its reverse (22112220201111), we get a palindrome (33222422422233).

The spelling of 11110202221122 in words is "eleven trillion, one hundred ten billion, two hundred two million, two hundred twenty-one thousand, one hundred twenty-two".