11121021122122 has 8 divisors (see below), whose sum is σ = 17662798252836. Its totient is φ = 5233421704512.

The previous prime is 11121021122119. The next prime is 11121021122147. The reversal of 11121021122122 is 22122112012111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10584683134921 + 536337987201 = 3253411^2 + 732351^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11121021122122² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11121021122122.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 163544428233 + ... + 163544428300.

Almost surely, 2^{11121021122122} is an apocalyptic number.

11121021122122 is a deficient number, since it is larger than the sum of its proper divisors (6541777130714).

11121021122122 is a wasteful number, since it uses less digits than its factorization.

11121021122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327088856552.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 11121021122122 its reverse (22122112012111), we get a palindrome (33243133134233).

The spelling of 11121021122122 in words is "eleven trillion, one hundred twenty-one billion, twenty-one million, one hundred twenty-two thousand, one hundred twenty-two".