11221435253 has 8 divisors (see below), whose sum is σ = 12829862400. Its totient is φ = 9614349360.

The previous prime is 11221435249. The next prime is 11221435261. The reversal of 11221435253 is 35253412211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11221435253 - 2² = 11221435249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221435213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317318 + ... + 350903.

It is an arithmetic number, because the mean of its divisors is an integer number (1603732800).

Almost surely, 2^11221435253 is an apocalyptic number.

It is an amenable number.

11221435253 is a deficient number, since it is larger than the sum of its proper divisors (1608427147).

11221435253 is an equidigital number, since it uses as much as digits as its factorization.

11221435253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670627.

The product of its digits is 7200, while the sum is 29.

Adding to 11221435253 its reverse (35253412211), we get a palindrome (46474847464).

The spelling of 11221435253 in words is "eleven billion, two hundred twenty-one million, four hundred thirty-five thousand, two hundred fifty-three".