2001010111211 has 2 divisors, whose sum is σ = 2001010111212. Its totient is φ = 2001010111210.

The previous prime is 2001010111151. The next prime is 2001010111229. The reversal of 2001010111211 is 1121110101002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2001010111211 - 2³⁴ = 1983830242027 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2001010111192 and 2001010111201.

It is not a weakly prime, because it can be changed into another prime (2001010111271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000505055605 + 1000505055606.

It is an arithmetic number, because the mean of its divisors is an integer number (1000505055606).

Almost surely, 2^{2001010111211} is an apocalyptic number.

2001010111211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001010111211 is an equidigital number, since it uses as much as digits as its factorization.

2001010111211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 2001010111211 its reverse (1121110101002), we get a palindrome (3122120212213).

The spelling of 2001010111211 in words is "two trillion, one billion, ten million, one hundred eleven thousand, two hundred eleven".