2001002111011 has 2 divisors, whose sum is σ = 2001002111012. Its totient is φ = 2001002111010.

The previous prime is 2001002110999. The next prime is 2001002111021. The reversal of 2001002111011 is 1101112001002.

It is an a-pointer prime, because the next prime (2001002111021) can be obtained adding 2001002111011 to its sum of digits (10).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2001002111011 is a prime.

It is not a weakly prime, because it can be changed into another prime (2001002111021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000501055505 + 1000501055506.

It is an arithmetic number, because the mean of its divisors is an integer number (1000501055506).

Almost surely, 2^{2001002111011} is an apocalyptic number.

2001002111011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001002111011 is an equidigital number, since it uses as much as digits as its factorization.

2001002111011 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 10.

Adding to 2001002111011 its reverse (1101112001002), we get a palindrome (3102114112013).

The spelling of 2001002111011 in words is "two trillion, one billion, two million, one hundred eleven thousand, eleven".