1122210212122 has 16 divisors (see below), whose sum is σ = 1694186356680. Its totient is φ = 557482056768.

The previous prime is 1122210212107. The next prime is 1122210212147. The reversal of 1122210212122 is 2212120122211.

It can be written as a sum of positive squares in 4 ways, for example, as 821707803361 + 300502408761 = 906481^2 + 548181^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1122210212122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3550168 + ... + 3853324.

Almost surely, 2^{1122210212122} is an apocalyptic number.

1122210212122 is a deficient number, since it is larger than the sum of its proper divisors (571976144558).

1122210212122 is a wasteful number, since it uses less digits than its factorization.

1122210212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315105.

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

Adding to 1122210212122 its reverse (2212120122211), we get a palindrome (3334330334333).

The spelling of 1122210212122 in words is "one trillion, one hundred twenty-two billion, two hundred ten million, two hundred twelve thousand, one hundred twenty-two".