11445522121112 has 64 divisors (see below), whose sum is σ = 21597676531200. Its totient is φ = 5686275162240.

The previous prime is 11445522121097. The next prime is 11445522121277. The reversal of 11445522121112 is 21112122554411.

It is a super-2 number, since 2×11445522121112² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2073837089 + ... + 2073842607.

It is an arithmetic number, because the mean of its divisors is an integer number (337463695800).

Almost surely, 2^{11445522121112} is an apocalyptic number.

It is an amenable number.

11445522121112 is a deficient number, since it is larger than the sum of its proper divisors (10152154410088).

11445522121112 is a wasteful number, since it uses less digits than its factorization.

11445522121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8256 (or 8252 counting only the distinct ones).

The product of its digits is 6400, while the sum is 32.

Adding to 11445522121112 its reverse (21112122554411), we get a palindrome (32557644675523).

The spelling of 11445522121112 in words is "eleven trillion, four hundred forty-five billion, five hundred twenty-two million, one hundred twenty-one thousand, one hundred twelve".