1122121444240 has 60 divisors (see below), whose sum is σ = 2727296121564. Its totient is φ = 429333405952.

The previous prime is 1122121444229. The next prime is 1122121444289. The reversal of 1122121444240 is 424441212211.

It can be written as a sum of positive squares in 2 ways, for example, as 201895651584 + 920225792656 = 449328^2 + 959284^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1122121444199 and 1122121444208.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 13215259 + ... + 13299898.

Almost surely, 2^{1122121444240} is an apocalyptic number.

1122121444240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122121444240 is an abundant number, since it is smaller than the sum of its proper divisors (1605174677324).

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

1122121444240 is a wasteful number, since it uses less digits than its factorization.

1122121444240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26515216 (or 26515187 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 1122121444240 its reverse (424441212211), we get a palindrome (1546562656451).

The spelling of 1122121444240 in words is "one trillion, one hundred twenty-two billion, one hundred twenty-one million, four hundred forty-four thousand, two hundred forty".