2001100120010 has 8 divisors (see below), whose sum is σ = 3601980216036. Its totient is φ = 800440048000.

The previous prime is 2001100119929. The next prime is 2001100120049. The reversal of 2001100120010 is 100210011002.

It can be written as a sum of positive squares in 2 ways, for example, as 1931874826561 + 69225293449 = 1389919^2 + 263107^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2001100120010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100055005991 + ... + 100055006010.

Almost surely, 2^{2001100120010} is an apocalyptic number.

2001100120010 is a deficient number, since it is larger than the sum of its proper divisors (1600880096026).

2001100120010 is a wasteful number, since it uses less digits than its factorization.

2001100120010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200110012008.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 2001100120010 its reverse (100210011002), we get a palindrome (2101310131012).

The spelling of 2001100120010 in words is "two trillion, one billion, one hundred million, one hundred twenty thousand, ten".