2001001112002 has 4 divisors (see below), whose sum is σ = 3001501668006. Its totient is φ = 1000500556000.

The previous prime is 2001001111997. The next prime is 2001001112053. The reversal of 2001001112002 is 2002111001002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1707723626401 + 293277485601 = 1306799^2 + 541551^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2001001112002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500250277999 + ... + 500250278002.

Almost surely, 2^{2001001112002} is an apocalyptic number.

2001001112002 is a deficient number, since it is larger than the sum of its proper divisors (1000500556004).

2001001112002 is a wasteful number, since it uses less digits than its factorization.

2001001112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000500556003.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2001001112002 its reverse (2002111001002), we get a palindrome (4003112113004).

The spelling of 2001001112002 in words is "two trillion, one billion, one million, one hundred twelve thousand, two".