2001101110511 has 2 divisors, whose sum is σ = 2001101110512. Its totient is φ = 2001101110510.

The previous prime is 2001101110441. The next prime is 2001101110523. The reversal of 2001101110511 is 1150111011002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2001101110511 - 2¹⁸ = 2001100848367 is a prime.

It is a super-2 number, since 2×2001101110511² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001101110571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000550555255 + 1000550555256.

It is an arithmetic number, because the mean of its divisors is an integer number (1000550555256).

Almost surely, 2^{2001101110511} is an apocalyptic number.

2001101110511 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001101110511 is an equidigital number, since it uses as much as digits as its factorization.

2001101110511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10, while the sum is 14.

Adding to 2001101110511 its reverse (1150111011002), we get a palindrome (3151212121513).

The spelling of 2001101110511 in words is "two trillion, one billion, one hundred one million, one hundred ten thousand, five hundred eleven".