2001312203211 has 16 divisors (see below), whose sum is σ = 2967624616320. Its totient is φ = 1332985193640.

The previous prime is 2001312203129. The next prime is 2001312203281. The reversal of 2001312203211 is 1123022131002.

2001312203211 is a `hidden beast` number, since 200 + 1 + 31 + 220 + 3 + 211 = 666.

It is not a de Polignac number, because 2001312203211 - 2⁹ = 2001312202699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2001312203281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33940605 + ... + 33999518.

It is an arithmetic number, because the mean of its divisors is an integer number (185476538520).

Almost surely, 2^{2001312203211} is an apocalyptic number.

2001312203211 is a deficient number, since it is larger than the sum of its proper divisors (966312413109).

2001312203211 is a wasteful number, since it uses less digits than its factorization.

2001312203211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67941223 (or 67941217 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2001312203211 its reverse (1123022131002), we get a palindrome (3124334334213).

The spelling of 2001312203211 in words is "two trillion, one billion, three hundred twelve million, two hundred three thousand, two hundred eleven".