22121110011 has 48 divisors (see below), whose sum is σ = 39901498112. Its totient is φ = 10607509440.

The previous prime is 22121110003. The next prime is 22121110027. The reversal of 22121110011 is 11001112122.

It is not a de Polignac number, because 22121110011 - 2³ = 22121110003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22121110051) 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 47 ways as a sum of consecutive naturals, for example, 301801 + ... + 367866.

Almost surely, 2^22121110011 is an apocalyptic number.

22121110011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22121110011 is a deficient number, since it is larger than the sum of its proper divisors (17780388101).

22121110011 is a wasteful number, since it uses less digits than its factorization.

22121110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669712 (or 669701 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 22121110011 its reverse (11001112122), we get a palindrome (33122222133).

The spelling of 22121110011 in words is "twenty-two billion, one hundred twenty-one million, one hundred ten thousand, eleven".