2001101003012 has 6 divisors (see below), whose sum is σ = 3501926755278. Its totient is φ = 1000550501504.

The previous prime is 2001101002993. The next prime is 2001101003021. The reversal of 2001101003012 is 2103001011002.

It can be written as a sum of positive squares in only one way, i.e., 1923702424576 + 77398578436 = 1386976^2 + 278206^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2001101002984 and 2001101003002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250137625373 + ... + 250137625380.

It is an arithmetic number, because the mean of its divisors is an integer number (583654459213).

Almost surely, 2^{2001101003012} is an apocalyptic number.

It is an amenable number.

2001101003012 is a deficient number, since it is larger than the sum of its proper divisors (1500825752266).

2001101003012 is a wasteful number, since it uses less digits than its factorization.

2001101003012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500275250757 (or 500275250755 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 2001101003012 its reverse (2103001011002), we get a palindrome (4104102014014).

The spelling of 2001101003012 in words is "two trillion, one billion, one hundred one million, three thousand, twelve".