1121204422242 has 24 divisors (see below), whose sum is σ = 2435046517020. Its totient is φ = 372847073760.

The previous prime is 1121204422213. The next prime is 1121204422271. The reversal of 1121204422242 is 2422244021211.

1121204422242 is a `hidden beast` number, since 1 + 1 + 212 + 0 + 4 + 422 + 24 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (1121204422213) and next prime (1121204422271).

It can be written as a sum of positive squares in 2 ways, for example, as 1063123904241 + 58080518001 = 1031079^2 + 240999^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 73970017 + ... + 73985172.

Almost surely, 2^{1121204422242} is an apocalyptic number.

1121204422242 is an abundant number, since it is smaller than the sum of its proper divisors (1313842094778).

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

1121204422242 is a wasteful number, since it uses less digits than its factorization.

1121204422242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147955618 (or 147955615 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 1121204422242 its reverse (2422244021211), we get a palindrome (3543448443453).

The spelling of 1121204422242 in words is "one trillion, one hundred twenty-one billion, two hundred four million, four hundred twenty-two thousand, two hundred forty-two".