21322211311011 has 8 divisors (see below), whose sum is σ = 30616508549200. Its totient is φ = 13121360806752.

The previous prime is 21322211311001. The next prime is 21322211311019. The reversal of 21322211311011 is 11011311222312.

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

It is not a de Polignac number, because 21322211311011 - 2¹¹ = 21322211308963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21322211311019) 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, 273361683436 + ... + 273361683513.

It is an arithmetic number, because the mean of its divisors is an integer number (3827063568650).

Almost surely, 2^{21322211311011} is an apocalyptic number.

21322211311011 is a deficient number, since it is larger than the sum of its proper divisors (9294297238189).

21322211311011 is a wasteful number, since it uses less digits than its factorization.

21322211311011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546723366965.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 21322211311011 its reverse (11011311222312), we get a palindrome (32333522533323).

The spelling of 21322211311011 in words is "twenty-one trillion, three hundred twenty-two billion, two hundred eleven million, three hundred eleven thousand, eleven".