2001211120010 has 16 divisors (see below), whose sum is σ = 3602818915200. Its totient is φ = 800342470416.

The previous prime is 2001211120003. The next prime is 2001211120039. The reversal of 2001211120010 is 100211121002.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2001211119973 and 2001211120000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17687990 + ... + 17800769.

It is an arithmetic number, because the mean of its divisors is an integer number (225176182200).

Almost surely, 2^{2001211120010} is an apocalyptic number.

2001211120010 is a deficient number, since it is larger than the sum of its proper divisors (1601607795190).

2001211120010 is a wasteful number, since it uses less digits than its factorization.

2001211120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35494405.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2001211120010 its reverse (100211121002), we get a palindrome (2101422241012).

The spelling of 2001211120010 in words is "two trillion, one billion, two hundred eleven million, one hundred twenty thousand, ten".