1122210022122 has 96 divisors (see below), whose sum is σ = 2794996039680. Its totient is φ = 318765313440.

The previous prime is 1122210022121. The next prime is 1122210022133. The reversal of 1122210022122 is 2212200122211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1122210022095 and 1122210022104.

It is not an unprimeable number, because it can be changed into a prime (1122210022121) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 43859529 + ... + 43885107.

It is an arithmetic number, because the mean of its divisors is an integer number (29114542080).

Almost surely, 2^{1122210022122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122210022122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1397498019840).

1122210022122 is an abundant number, since it is smaller than the sum of its proper divisors (1672786017558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1122210022122 is a wasteful number, since it uses less digits than its factorization.

1122210022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27608 (or 27605 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1122210022122 its reverse (2212200122211), we get a palindrome (3334410144333).

The spelling of 1122210022122 in words is "one trillion, one hundred twenty-two billion, two hundred ten million, twenty-two thousand, one hundred twenty-two".