1122220022022 has 48 divisors (see below), whose sum is σ = 2688855977808. Its totient is φ = 335408221440.

The previous prime is 1122220021999. The next prime is 1122220022047. The reversal of 1122220022022 is 2202200222211.

1122220022022 is a `hidden beast` number, since 1 + 1 + 222 + 200 + 220 + 22 = 666.

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 = 1122220021986 and 1122220022004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38805943 + ... + 38834850.

It is an arithmetic number, because the mean of its divisors is an integer number (56017832871).

Almost surely, 2^{1122220022022} is an apocalyptic number.

1122220022022 is an abundant number, since it is smaller than the sum of its proper divisors (1566635955786).

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

1122220022022 is a wasteful number, since it uses less digits than its factorization.

1122220022022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77640885 (or 77640882 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 1122220022022 its reverse (2202200222211), we get a palindrome (3324420244233).

The spelling of 1122220022022 in words is "one trillion, one hundred twenty-two billion, two hundred twenty million, twenty-two thousand, twenty-two".