11332022221 has 8 divisors (see below), whose sum is σ = 12205884600. Its totient is φ = 10458469632.

The previous prime is 11332022203. The next prime is 11332022239. The reversal of 11332022221 is 12222023311.

It is an interprime number because it is at equal distance from previous prime (11332022203) and next prime (11332022239).

It can be written as a sum of positive squares in 4 ways, for example, as 8934121 + 11323088100 = 2989^2 + 106410^2 .

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

It is not a de Polignac number, because 11332022221 - 2¹¹ = 11332020173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11332022321) 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, 1521 + ... + 150553.

It is an arithmetic number, because the mean of its divisors is an integer number (1525735575).

Almost surely, 2^11332022221 is an apocalyptic number.

It is an amenable number.

11332022221 is a deficient number, since it is larger than the sum of its proper divisors (873862379).

11332022221 is a wasteful number, since it uses less digits than its factorization.

11332022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154895.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11332022221 its reverse (12222023311), we get a palindrome (23554045532).

The spelling of 11332022221 in words is "eleven billion, three hundred thirty-two million, twenty-two thousand, two hundred twenty-one".