2001023100010 has 32 divisors (see below), whose sum is σ = 3945722284800. Its totient is φ = 724600215360.

The previous prime is 2001023099993. The next prime is 2001023100049. The reversal of 2001023100010 is 100013201002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 2001023100010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38030445 + ... + 38083024.

It is an arithmetic number, because the mean of its divisors is an integer number (123303821400).

Almost surely, 2^{2001023100010} is an apocalyptic number.

2001023100010 is a deficient number, since it is larger than the sum of its proper divisors (1944699184790).

2001023100010 is a wasteful number, since it uses less digits than its factorization.

2001023100010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76113726.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 2001023100010 its reverse (100013201002), we get a palindrome (2101036301012).

The spelling of 2001023100010 in words is "two trillion, one billion, twenty-three million, one hundred thousand, ten".