1121233214420 has 24 divisors (see below), whose sum is σ = 2568643364448. Its totient is φ = 407721168800.

The previous prime is 1121233214407. The next prime is 1121233214429. The reversal of 1121233214420 is 244123321211.

It is a happy number.

It is a super-2 number, since 2×1121233214420² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1121233214420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121233214429) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2548257086 + ... + 2548257525.

It is an arithmetic number, because the mean of its divisors is an integer number (107026806852).

Almost surely, 2^{1121233214420} is an apocalyptic number.

1121233214420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121233214420 is an abundant number, since it is smaller than the sum of its proper divisors (1447410150028).

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

1121233214420 is a wasteful number, since it uses less digits than its factorization.

1121233214420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5096514631 (or 5096514629 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1121233214420 its reverse (244123321211), we get a palindrome (1365356535631).

The spelling of 1121233214420 in words is "one trillion, one hundred twenty-one billion, two hundred thirty-three million, two hundred fourteen thousand, four hundred twenty".