11221041233440 has 48 divisors (see below), whose sum is σ = 26537124664512. Its totient is φ = 4483774842624.

The previous prime is 11221041233429. The next prime is 11221041233461. The reversal of 11221041233440 is 4433214012211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11221041233399 and 11221041233408.

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 7 ways as a sum of consecutive naturals, for example, 36107694 + ... + 36417133.

It is an arithmetic number, because the mean of its divisors is an integer number (552856763844).

Almost surely, 2^{11221041233440} is an apocalyptic number.

11221041233440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11221041233440 is an abundant number, since it is smaller than the sum of its proper divisors (15316083431072).

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

11221041233440 is an equidigital number, since it uses as much as digits as its factorization.

11221041233440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72525809 (or 72525801 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 11221041233440 its reverse (4433214012211), we get a palindrome (15654255245651).

The spelling of 11221041233440 in words is "eleven trillion, two hundred twenty-one billion, forty-one million, two hundred thirty-three thousand, four hundred forty".