1122212120122 has 32 divisors (see below), whose sum is σ = 1727228700288. Its totient is φ = 546669000000.

The previous prime is 1122212120077. The next prime is 1122212120129. The reversal of 1122212120122 is 2210212122211.

It is a self number, because there is not a number n which added to its sum of digits gives 1122212120122.

It is not an unprimeable number, because it can be changed into a prime (1122212120129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5441347 + ... + 5643817.

It is an arithmetic number, because the mean of its divisors is an integer number (53975896884).

Almost surely, 2^{1122212120122} is an apocalyptic number.

1122212120122 is a deficient number, since it is larger than the sum of its proper divisors (605016580166).

1122212120122 is a wasteful number, since it uses less digits than its factorization.

1122212120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202966.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1122212120122 its reverse (2210212122211), we get a palindrome (3332424242333).

The spelling of 1122212120122 in words is "one trillion, one hundred twenty-two billion, two hundred twelve million, one hundred twenty thousand, one hundred twenty-two".