20112220010011 has 2 divisors, whose sum is σ = 20112220010012. Its totient is φ = 20112220010010.

The previous prime is 20112220010009. The next prime is 20112220010017. The reversal of 20112220010011 is 11001002221102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20112220010011 - 2¹ = 20112220010009 is a prime.

Together with 20112220010009, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 20112220009973 and 20112220010000.

It is not a weakly prime, because it can be changed into another prime (20112220010017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056110005005 + 10056110005006.

It is an arithmetic number, because the mean of its divisors is an integer number (10056110005006).

Almost surely, 2^{20112220010011} is an apocalyptic number.

20112220010011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112220010011 is an equidigital number, since it uses as much as digits as its factorization.

20112220010011 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 20112220010011 its reverse (11001002221102), we get a palindrome (31113222231113).

The spelling of 20112220010011 in words is "twenty trillion, one hundred twelve billion, two hundred twenty million, ten thousand, eleven".