21112223130011 has 6 divisors (see below), whose sum is σ = 22861164691260. Its totient is φ = 19488205966008.

The previous prime is 21112223129993. The next prime is 21112223130041. The reversal of 21112223130011 is 11003132221112.

It is not a de Polignac number, because 21112223130011 - 2²² = 21112218935707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21112223130041) 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 5 ways as a sum of consecutive naturals, for example, 62462198441 + ... + 62462198778.

It is an arithmetic number, because the mean of its divisors is an integer number (3810194115210).

Almost surely, 2^{21112223130011} is an apocalyptic number.

21112223130011 is a deficient number, since it is larger than the sum of its proper divisors (1748941561249).

21112223130011 is a wasteful number, since it uses less digits than its factorization.

21112223130011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124924397245 (or 124924397232 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 21112223130011 its reverse (11003132221112), we get a palindrome (32115355351123).

The spelling of 21112223130011 in words is "twenty-one trillion, one hundred twelve billion, two hundred twenty-three million, one hundred thirty thousand, eleven".