22121122010001 has 32 divisors (see below), whose sum is σ = 34590004500480. Its totient is φ = 12311696162304.

The previous prime is 22121122009999. The next prime is 22121122010027. The reversal of 22121122010001 is 10001022112122.

It is not a de Polignac number, because 22121122010001 - 2¹ = 22121122009999 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22121122010401) 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 31 ways as a sum of consecutive naturals, for example, 34380061 + ... + 35017578.

It is an arithmetic number, because the mean of its divisors is an integer number (1080937640640).

Almost surely, 2^{22121122010001} is an apocalyptic number.

22121122010001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22121122010001 is a deficient number, since it is larger than the sum of its proper divisors (12468882490479).

22121122010001 is a wasteful number, since it uses less digits than its factorization.

22121122010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69398045.

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

Adding to 22121122010001 its reverse (10001022112122), we get a palindrome (32122144122123).

The spelling of 22121122010001 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred twenty-two million, ten thousand, one".