11421221413024 has 12 divisors (see below), whose sum is σ = 22485529656954. Its totient is φ = 5710610706496.

The previous prime is 11421221413001. The next prime is 11421221413067. The reversal of 11421221413024 is 42031412212411.

It can be written as a sum of positive squares in only one way, i.e., 8178844977424 + 3242376435600 = 2859868^2 + 1800660^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11421221412983 and 11421221413001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178456584547 + ... + 178456584610.

Almost surely, 2^{11421221413024} is an apocalyptic number.

It is an amenable number.

11421221413024 is a deficient number, since it is larger than the sum of its proper divisors (11064308243930).

11421221413024 is an equidigital number, since it uses as much as digits as its factorization.

11421221413024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356913169167 (or 356913169159 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 11421221413024 its reverse (42031412212411), we get a palindrome (53452633625435).

The spelling of 11421221413024 in words is "eleven trillion, four hundred twenty-one billion, two hundred twenty-one million, four hundred thirteen thousand, twenty-four".