11032211012221 has 4 divisors (see below), whose sum is σ = 12608241156832. Its totient is φ = 9456180867612.

The previous prime is 11032211012083. The next prime is 11032211012239. The reversal of 11032211012221 is 12221011223011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11032211012221 - 2⁹ = 11032211011709 is a prime.

It is a super-2 number, since 2×11032211012221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11032211010221) 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 3 ways as a sum of consecutive naturals, for example, 788015072295 + ... + 788015072308.

It is an arithmetic number, because the mean of its divisors is an integer number (3152060289208).

Almost surely, 2^{11032211012221} is an apocalyptic number.

It is an amenable number.

11032211012221 is a deficient number, since it is larger than the sum of its proper divisors (1576030144611).

11032211012221 is an equidigital number, since it uses as much as digits as its factorization.

11032211012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576030144610.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 11032211012221 its reverse (12221011223011), we get a palindrome (23253222235232).

The spelling of 11032211012221 in words is "eleven trillion, thirty-two billion, two hundred eleven million, twelve thousand, two hundred twenty-one".