11122323021 has 12 divisors (see below), whose sum is σ = 16268940480. Its totient is φ = 7321022280.

The previous prime is 11122323001. The next prime is 11122323053. The reversal of 11122323021 is 12032322111.

It is not a de Polignac number, because 11122323021 - 2¹¹ = 11122320973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11122322985 and 11122323003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122323001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7820895 + ... + 7822316.

It is an arithmetic number, because the mean of its divisors is an integer number (1355745040).

Almost surely, 2^11122323021 is an apocalyptic number.

It is an amenable number.

11122323021 is a deficient number, since it is larger than the sum of its proper divisors (5146617459).

11122323021 is a wasteful number, since it uses less digits than its factorization.

11122323021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15643296 (or 15643293 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11122323021 its reverse (12032322111), we get a palindrome (23154645132).

The spelling of 11122323021 in words is "eleven billion, one hundred twenty-two million, three hundred twenty-three thousand, twenty-one".