20101110011 has 2 divisors, whose sum is σ = 20101110012. Its totient is φ = 20101110010.

The previous prime is 20101109971. The next prime is 20101110019. The reversal of 20101110011 is 11001110102.

It is a happy number.

It is an a-pointer prime, because the next prime (20101110019) can be obtained adding 20101110011 to its sum of digits (8).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20101110011 - 2⁶ = 20101109947 is a prime.

It is not a weakly prime, because it can be changed into another prime (20101110019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050555005 + 10050555006.

It is an arithmetic number, because the mean of its divisors is an integer number (10050555006).

Almost surely, 2^20101110011 is an apocalyptic number.

20101110011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20101110011 is an equidigital number, since it uses as much as digits as its factorization.

20101110011 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 8.

Adding to 20101110011 its reverse (11001110102), we get a palindrome (31102220113).

Subtracting from 20101110011 its reverse (11001110102), we obtain a palindrome (9099999909).

The spelling of 20101110011 in words is "twenty billion, one hundred one million, one hundred ten thousand, eleven".