1122100222122 has 80 divisors (see below), whose sum is σ = 2743173889632. Its totient is φ = 339997862880.

The previous prime is 1122100222097. The next prime is 1122100222127. The reversal of 1122100222122 is 2212220012211.

It is a happy number.

1122100222122 is a `hidden beast` number, since 112 + 210 + 0 + 222 + 122 = 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 = 1122100222095 and 1122100222104.

It is not an unprimeable number, because it can be changed into a prime (1122100222127) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 23992653 + ... + 24039375.

Almost surely, 2^{1122100222122} is an apocalyptic number.

1122100222122 is an abundant number, since it is smaller than the sum of its proper divisors (1621073667510).

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

1122100222122 is a wasteful number, since it uses less digits than its factorization.

1122100222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60225 (or 60216 counting only the distinct ones).

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

Adding to 1122100222122 its reverse (2212220012211), we get a palindrome (3334320234333).

The spelling of 1122100222122 in words is "one trillion, one hundred twenty-two billion, one hundred million, two hundred twenty-two thousand, one hundred twenty-two".