1121212200122 has 32 divisors (see below), whose sum is σ = 1966251110400. Its totient is φ = 469510395120.

The previous prime is 1121212200109. The next prime is 1121212200133. The reversal of 1121212200122 is 2210022121211.

It is a self number, because there is not a number n which added to its sum of digits gives 1121212200122.

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 15 ways as a sum of consecutive naturals, for example, 1028204 + ... + 1816487.

It is an arithmetic number, because the mean of its divisors is an integer number (61445347200).

Almost surely, 2^{1121212200122} is an apocalyptic number.

1121212200122 is a deficient number, since it is larger than the sum of its proper divisors (845038910278).

1121212200122 is a wasteful number, since it uses less digits than its factorization.

1121212200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845346.

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

Adding to 1121212200122 its reverse (2210022121211), we get a palindrome (3331234321333).

The spelling of 1121212200122 in words is "one trillion, one hundred twenty-one billion, two hundred twelve million, two hundred thousand, one hundred twenty-two".