22121012334011 has 16 divisors (see below), whose sum is σ = 23904238881600. Its totient is φ = 20407796817408.

The previous prime is 22121012333989. The next prime is 22121012334061. The reversal of 22121012334011 is 11043321012122.

It is a cyclic number.

It is not a de Polignac number, because 22121012334011 - 2⁶ = 22121012333947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22121012334061) 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 15 ways as a sum of consecutive naturals, for example, 17072426 + ... + 18322383.

It is an arithmetic number, because the mean of its divisors is an integer number (1494014930100).

Almost surely, 2^{22121012334011} is an apocalyptic number.

22121012334011 is a deficient number, since it is larger than the sum of its proper divisors (1783226547589).

22121012334011 is a wasteful number, since it uses less digits than its factorization.

22121012334011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35395798.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 22121012334011 its reverse (11043321012122), we get a palindrome (33164333346133).

The spelling of 22121012334011 in words is "twenty-two trillion, one hundred twenty-one billion, twelve million, three hundred thirty-four thousand, eleven".