21122102000011 has 2 divisors, whose sum is σ = 21122102000012. Its totient is φ = 21122102000010.

The previous prime is 21122102000009. The next prime is 21122102000093. The reversal of 21122102000011 is 11000020122112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21122102000011 - 2¹ = 21122102000009 is a prime.

It is a super-2 number, since 2×21122102000011² (a number of 27 digits) contains 22 as substring.

Together with 21122102000009, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 21122101999955 and 21122102000000.

It is not a weakly prime, because it can be changed into another prime (21122102000611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10561051000005 + 10561051000006.

It is an arithmetic number, because the mean of its divisors is an integer number (10561051000006).

Almost surely, 2^{21122102000011} is an apocalyptic number.

21122102000011 is a deficient number, since it is larger than the sum of its proper divisors (1).

21122102000011 is an equidigital number, since it uses as much as digits as its factorization.

21122102000011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 21122102000011 its reverse (11000020122112), we get a palindrome (32122122122123).

The spelling of 21122102000011 in words is "twenty-one trillion, one hundred twenty-two billion, one hundred two million, eleven", and thus it is an aban number.