20100000000011 has 2 divisors, whose sum is σ = 20100000000012. Its totient is φ = 20100000000010.

The previous prime is 20099999999987. The next prime is 20100000000037. The reversal of 20100000000011 is 11000000000102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20100000000011 - 2²⁶ = 20099932891147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20099999999923 and 20100000000004.

It is not a weakly prime, because it can be changed into another prime (20100000060011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050000000005 + 10050000000006.

It is an arithmetic number, because the mean of its divisors is an integer number (10050000000006).

Almost surely, 2^{20100000000011} is an apocalyptic number.

20100000000011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20100000000011 is an equidigital number, since it uses as much as digits as its factorization.

20100000000011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2, while the sum is 5.

Adding to 20100000000011 its reverse (11000000000102), we get a palindrome (31100000000113).

Subtracting from 20100000000011 its reverse (11000000000102), we obtain a palindrome (9099999999909).

The spelling of 20100000000011 in words is "twenty trillion, one hundred billion, eleven", and thus it is an aban number.