22011321211 has 8 divisors (see below), whose sum is σ = 24013430784. Its totient is φ = 20009391720.

The previous prime is 22011321209. The next prime is 22011321221. The reversal of 22011321211 is 11212311022.

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 22011321211 - 2¹ = 22011321209 is a prime.

It is a super-2 number, since 2×22011321211² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22011321221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414790 + ... + 464836.

It is an arithmetic number, because the mean of its divisors is an integer number (3001678848).

Almost surely, 2^22011321211 is an apocalyptic number.

22011321211 is a deficient number, since it is larger than the sum of its proper divisors (2002109573).

22011321211 is a wasteful number, since it uses less digits than its factorization.

22011321211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90041.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 22011321211 its reverse (11212311022), we get a palindrome (33223632233).

The spelling of 22011321211 in words is "twenty-two billion, eleven million, three hundred twenty-one thousand, two hundred eleven".