1122222002122 has 64 divisors (see below), whose sum is σ = 1908237864960. Its totient is φ = 491331859200.

The previous prime is 1122222002113. The next prime is 1122222002129. The reversal of 1122222002122 is 2212002222211.

It is a self number, because there is not a number n which added to its sum of digits gives 1122222002122.

It is not an unprimeable number, because it can be changed into a prime (1122222002129) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 41887143 + ... + 41913925.

It is an arithmetic number, because the mean of its divisors is an integer number (29816216640).

Almost surely, 2^{1122222002122} is an apocalyptic number.

1122222002122 is a deficient number, since it is larger than the sum of its proper divisors (786015862838).

1122222002122 is a wasteful number, since it uses less digits than its factorization.

1122222002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27799.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1122222002122 its reverse (2212002222211), we get a palindrome (3334224224333).

The spelling of 1122222002122 in words is "one trillion, one hundred twenty-two billion, two hundred twenty-two million, two thousand, one hundred twenty-two".