11221145435 has 16 divisors (see below), whose sum is σ = 13588619520. Its totient is φ = 8895005280.

The previous prime is 11221145399. The next prime is 11221145483. The reversal of 11221145435 is 53454112211.

It is a happy number.

It is not a de Polignac number, because 11221145435 - 2¹⁸ = 11220883291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11221145398 and 11221145407.

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 15 ways as a sum of consecutive naturals, for example, 348050 + ... + 378920.

It is an arithmetic number, because the mean of its divisors is an integer number (849288720).

Almost surely, 2^11221145435 is an apocalyptic number.

11221145435 is a deficient number, since it is larger than the sum of its proper divisors (2367474085).

11221145435 is a wasteful number, since it uses less digits than its factorization.

11221145435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31538.

The product of its digits is 4800, while the sum is 29.

Adding to 11221145435 its reverse (53454112211), we get a palindrome (64675257646).

The spelling of 11221145435 in words is "eleven billion, two hundred twenty-one million, one hundred forty-five thousand, four hundred thirty-five".