1122120022122 has 48 divisors (see below), whose sum is σ = 2660757585408. Its totient is φ = 338949973440.

The previous prime is 1122120022109. The next prime is 1122120022151. The reversal of 1122120022122 is 2212200212211.

It is a happy number.

1122120022122 is a `hidden beast` number, since 1 + 1 + 221 + 200 + 221 + 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 = 1122120022095 and 1122120022104.

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, 8991178 + ... + 9115125.

It is an arithmetic number, because the mean of its divisors is an integer number (55432449696).

Almost surely, 2^{1122120022122} is an apocalyptic number.

1122120022122 is an abundant number, since it is smaller than the sum of its proper divisors (1538637563286).

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

1122120022122 is a wasteful number, since it uses less digits than its factorization.

1122120022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18106635 (or 18106632 counting only the distinct ones).

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

Adding to 1122120022122 its reverse (2212200212211), we get a palindrome (3334320234333).

The spelling of 1122120022122 in words is "one trillion, one hundred twenty-two billion, one hundred twenty million, twenty-two thousand, one hundred twenty-two".