11122021222021 has 8 divisors (see below), whose sum is σ = 11266044743520. Its totient is φ = 10978236349872.

The previous prime is 11122021222003. The next prime is 11122021222033. The reversal of 11122021222021 is 12022212022111.

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

It is a cyclic number.

It is not a de Polignac number, because 11122021222021 - 2¹¹ = 11122021219973 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11122021222021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122021222051) 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, 59568526 + ... + 59754943.

It is an arithmetic number, because the mean of its divisors is an integer number (1408255592940).

Almost surely, 2^{11122021222021} is an apocalyptic number.

It is an amenable number.

11122021222021 is a deficient number, since it is larger than the sum of its proper divisors (144023521499).

11122021222021 is a wasteful number, since it uses less digits than its factorization.

11122021222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119324675.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11122021222021 its reverse (12022212022111), we get a palindrome (23144233244132).

The spelling of 11122021222021 in words is "eleven trillion, one hundred twenty-two billion, twenty-one million, two hundred twenty-two thousand, twenty-one".