11121120202122 has 72 divisors (see below), whose sum is σ = 28034983131012. Its totient is φ = 3176871062400.

The previous prime is 11121120202121. The next prime is 11121120202177. The reversal of 11121120202122 is 22120202112111.

11121120202122 is a `hidden beast` number, since 111 + 211 + 20 + 202 + 122 = 666.

11121120202122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10971669147201 + 149451054921 = 3312351^2 + 386589^2 .

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 = 11121120202095 and 11121120202104.

It is not an unprimeable number, because it can be changed into a prime (11121120202121) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3574422 + ... + 5917662.

Almost surely, 2^{11121120202122} is an apocalyptic number.

11121120202122 is an abundant number, since it is smaller than the sum of its proper divisors (16913862928890).

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

11121120202122 is a wasteful number, since it uses less digits than its factorization.

11121120202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2348644 (or 2348634 counting only the distinct ones).

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

Adding to 11121120202122 its reverse (22120202112111), we get a palindrome (33241322314233).

The spelling of 11121120202122 in words is "eleven trillion, one hundred twenty-one billion, one hundred twenty million, two hundred two thousand, one hundred twenty-two".