11101320121122 has 96 divisors (see below), whose sum is σ = 30989911209600. Its totient is φ = 2883459759840.

The previous prime is 11101320121109. The next prime is 11101320121189. The reversal of 11101320121122 is 22112102310111.

It is a happy number.

11101320121122 is a `hidden beast` number, since 1 + 1 + 101 + 320 + 121 + 122 = 666.

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 = 11101320121095 and 11101320121104.

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 47 ways as a sum of consecutive naturals, for example, 121311997 + ... + 121403472.

It is an arithmetic number, because the mean of its divisors is an integer number (322811575100).

Almost surely, 2^{11101320121122} is an apocalyptic number.

11101320121122 is an abundant number, since it is smaller than the sum of its proper divisors (19888591088478).

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

11101320121122 is a wasteful number, since it uses less digits than its factorization.

11101320121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242715509 (or 242715492 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 11101320121122 its reverse (22112102310111), we get a palindrome (33213422431233).

The spelling of 11101320121122 in words is "eleven trillion, one hundred one billion, three hundred twenty million, one hundred twenty-one thousand, one hundred twenty-two".