22331021211 has 24 divisors (see below), whose sum is σ = 34223570784. Its totient is φ = 13982803200.

The previous prime is 22331021201. The next prime is 22331021249. The reversal of 22331021211 is 11212013322.

It is not a de Polignac number, because 22331021211 - 2⁶ = 22331021147 is a prime.

It is a super-2 number, since 2×22331021211² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22331021201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75340 + ... + 224361.

It is an arithmetic number, because the mean of its divisors is an integer number (1425982116).

Almost surely, 2^22331021211 is an apocalyptic number.

22331021211 is a deficient number, since it is larger than the sum of its proper divisors (11892549573).

22331021211 is a wasteful number, since it uses less digits than its factorization.

22331021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300211 (or 300208 counting only the distinct ones).

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

Adding to 22331021211 its reverse (11212013322), we get a palindrome (33543034533).

The spelling of 22331021211 in words is "twenty-two billion, three hundred thirty-one million, twenty-one thousand, two hundred eleven".