2001210211011 has 32 divisors (see below), whose sum is σ = 2972264525568. Its totient is φ = 1187508349440.

The previous prime is 2001210211001. The next prime is 2001210211043. The reversal of 2001210211011 is 1101120121002.

It is not a de Polignac number, because 2001210211011 - 2³³ = 1992620276419 is a prime.

It is a super-2 number, since 2×2001210211011² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2001210211001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2701801 + ... + 3361866.

It is an arithmetic number, because the mean of its divisors is an integer number (92883266424).

Almost surely, 2^{2001210211011} is an apocalyptic number.

2001210211011 is a deficient number, since it is larger than the sum of its proper divisors (971054314557).

2001210211011 is a wasteful number, since it uses less digits than its factorization.

2001210211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6063891.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2001210211011 its reverse (1101120121002), we get a palindrome (3102330332013).

Subtracting from 2001210211011 its reverse (1101120121002), we obtain a palindrome (900090090009).

The spelling of 2001210211011 in words is "two trillion, one billion, two hundred ten million, two hundred eleven thousand, eleven".