11202120220122 has 128 divisors (see below), whose sum is σ = 26962895232000. Its totient is φ = 3426963448320.

The previous prime is 11202120220091. The next prime is 11202120220133. The reversal of 11202120220122 is 22102202120211.

It is a happy number.

11202120220122 is a `hidden beast` number, since 1 + 1 + 202 + 120 + 220 + 122 = 666.

11202120220122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 11202120220095 and 11202120220104.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 773673279 + ... + 773687757.

It is an arithmetic number, because the mean of its divisors is an integer number (210647619000).

Almost surely, 2^{11202120220122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11202120220122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13481447616000).

11202120220122 is an abundant number, since it is smaller than the sum of its proper divisors (15760775011878).

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

11202120220122 is a wasteful number, since it uses less digits than its factorization.

11202120220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20773 (or 20767 counting only the distinct ones).

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

Adding to 11202120220122 its reverse (22102202120211), we get a palindrome (33304322340333).

The spelling of 11202120220122 in words is "eleven trillion, two hundred two billion, one hundred twenty million, two hundred twenty thousand, one hundred twenty-two".