11235302221 has 32 divisors (see below), whose sum is σ = 13393755648. Its totient is φ = 9290101440.

The previous prime is 11235302219. The next prime is 11235302249. The reversal of 11235302221 is 12220353211.

It is a cyclic number.

It is not a de Polignac number, because 11235302221 - 2¹ = 11235302219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11235302192 and 11235302201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11235302321) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 5541810 + ... + 5543836.

It is an arithmetic number, because the mean of its divisors is an integer number (418554864).

Almost surely, 2^11235302221 is an apocalyptic number.

11235302221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11235302221 is a deficient number, since it is larger than the sum of its proper divisors (2158453427).

11235302221 is a wasteful number, since it uses less digits than its factorization.

11235302221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2601.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 11235302221 its reverse (12220353211), we get a palindrome (23455655432).

The spelling of 11235302221 in words is "eleven billion, two hundred thirty-five million, three hundred two thousand, two hundred twenty-one".