11010434221 has 4 divisors (see below), whose sum is σ = 11090802492. Its totient is φ = 10930065952.

The previous prime is 11010434177. The next prime is 11010434293. The reversal of 11010434221 is 12243401011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4265918596 + 6744515625 = 65314^2 + 82125^2 .

It is a cyclic number.

It is not a de Polignac number, because 11010434221 - 2¹³ = 11010426029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010434821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40183930 + ... + 40184203.

It is an arithmetic number, because the mean of its divisors is an integer number (2772700623).

Almost surely, 2^11010434221 is an apocalyptic number.

It is an amenable number.

11010434221 is a deficient number, since it is larger than the sum of its proper divisors (80368271).

11010434221 is an equidigital number, since it uses as much as digits as its factorization.

11010434221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80368270.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11010434221 its reverse (12243401011), we get a palindrome (23253835232).

The spelling of 11010434221 in words is "eleven billion, ten million, four hundred thirty-four thousand, two hundred twenty-one".