11021322021 has 8 divisors (see below), whose sum is σ = 14695842144. Its totient is φ = 7347174960.

The previous prime is 11021321989. The next prime is 11021322149. The reversal of 11021322021 is 12022312011.

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

It is not a de Polignac number, because 11021322021 - 2⁵ = 11021321989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021322721) 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, 14931 + ... + 149216.

It is an arithmetic number, because the mean of its divisors is an integer number (1836980268).

Almost surely, 2^11021322021 is an apocalyptic number.

It is an amenable number.

11021322021 is a deficient number, since it is larger than the sum of its proper divisors (3674520123).

11021322021 is a wasteful number, since it uses less digits than its factorization.

11021322021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186531.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11021322021 its reverse (12022312011), we get a palindrome (23043634032).

The spelling of 11021322021 in words is "eleven billion, twenty-one million, three hundred twenty-two thousand, twenty-one".