1121220012122 has 16 divisors (see below), whose sum is σ = 1922469861312. Its totient is φ = 480428259360.

The previous prime is 1121220012119. The next prime is 1121220012173. The reversal of 1121220012122 is 2212100221211.

It is a self number, because there is not a number n which added to its sum of digits gives 1121220012122.

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 7 ways as a sum of consecutive naturals, for example, 7809908 + ... + 7952175.

It is an arithmetic number, because the mean of its divisors is an integer number (120154366332).

Almost surely, 2^{1121220012122} is an apocalyptic number.

1121220012122 is a deficient number, since it is larger than the sum of its proper divisors (801249849190).

1121220012122 is a wasteful number, since it uses less digits than its factorization.

1121220012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15767173.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1121220012122 its reverse (2212100221211), we get a palindrome (3333320233333).

The spelling of 1121220012122 in words is "one trillion, one hundred twenty-one billion, two hundred twenty million, twelve thousand, one hundred twenty-two".