11221435305 has 32 divisors (see below), whose sum is σ = 20637129600. Its totient is φ = 5778392256.

The previous prime is 11221435301. The next prime is 11221435307. The reversal of 11221435305 is 50353412211.

11221435305 is a `hidden beast` number, since 1 + 1 + 221 + 435 + 3 + 0 + 5 = 666.

11221435305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11221435305 - 2² = 11221435301 is a prime.

It is a super-2 number, since 2×11221435305² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11221435301) 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 31 ways as a sum of consecutive naturals, for example, 1429219 + ... + 1437048.

It is an arithmetic number, because the mean of its divisors is an integer number (644910300).

Almost surely, 2^11221435305 is an apocalyptic number.

11221435305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11221435305 is a deficient number, since it is larger than the sum of its proper divisors (9415694295).

11221435305 is a wasteful number, since it uses less digits than its factorization.

11221435305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2866310 (or 2866304 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 11221435305 its reverse (50353412211), we get a palindrome (61574847516).

The spelling of 11221435305 in words is "eleven billion, two hundred twenty-one million, four hundred thirty-five thousand, three hundred five".