22122101211 has 16 divisors (see below), whose sum is σ = 33788095488. Its totient is φ = 12611865600.

The previous prime is 22122101161. The next prime is 22122101231. The reversal of 22122101211 is 11210122122.

It is not a de Polignac number, because 22122101211 - 2⁹ = 22122100699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22122101231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1213030 + ... + 1231131.

It is an arithmetic number, because the mean of its divisors is an integer number (2111755968).

Almost surely, 2^22122101211 is an apocalyptic number.

22122101211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22122101211 is a deficient number, since it is larger than the sum of its proper divisors (11665994277).

22122101211 is a wasteful number, since it uses less digits than its factorization.

22122101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2444602.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22122101211 its reverse (11210122122), we get a palindrome (33332223333).

The spelling of 22122101211 in words is "twenty-two billion, one hundred twenty-two million, one hundred one thousand, two hundred eleven".