11110322021 has 4 divisors (see below), whose sum is σ = 11114014944. Its totient is φ = 11106629100.

The previous prime is 11110322011. The next prime is 11110322051. The reversal of 11110322021 is 12022301111.

11110322021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12022301111 = 17 ⋅707194183.

It is a cyclic number.

It is not a de Polignac number, because 11110322021 - 2¹⁴ = 11110305637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11110321987 and 11110322005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110322011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1841945 + ... + 1847966.

It is an arithmetic number, because the mean of its divisors is an integer number (2778503736).

Almost surely, 2^11110322021 is an apocalyptic number.

It is an amenable number.

11110322021 is a deficient number, since it is larger than the sum of its proper divisors (3692923).

11110322021 is an equidigital number, since it uses as much as digits as its factorization.

11110322021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3692922.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11110322021 its reverse (12022301111), we get a palindrome (23132623132).

The spelling of 11110322021 in words is "eleven billion, one hundred ten million, three hundred twenty-two thousand, twenty-one".