1113421421152 has 24 divisors (see below), whose sum is σ = 2196930519000. Its totient is φ = 555470813184.

The previous prime is 1113421421143. The next prime is 1113421421153. The reversal of 1113421421152 is 2511241243111.

It is a super-2 number, since 2×1113421421152² (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 1113421421152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113421421153) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 38732202 + ... + 38760937.

It is an arithmetic number, because the mean of its divisors is an integer number (91538771625).

Almost surely, 2^{1113421421152} is an apocalyptic number.

It is an amenable number.

1113421421152 is a deficient number, since it is larger than the sum of its proper divisors (1083509097848).

1113421421152 is an equidigital number, since it uses as much as digits as its factorization.

1113421421152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77493598 (or 77493590 counting only the distinct ones).

The product of its digits is 1920, while the sum is 28.

Adding to 1113421421152 its reverse (2511241243111), we get a palindrome (3624662664263).

The spelling of 1113421421152 in words is "one trillion, one hundred thirteen billion, four hundred twenty-one million, four hundred twenty-one thousand, one hundred fifty-two".