2001112100002 has 16 divisors (see below), whose sum is σ = 3036178729080. Its totient is φ = 989058331008.

The previous prime is 2001112099997. The next prime is 2001112100011. The reversal of 2001112100002 is 2000012111002.

It can be written as a sum of positive squares in 4 ways, for example, as 1645501438441 + 355610661561 = 1282771^2 + 596331^2 .

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, 759753 + ... + 2139964.

Almost surely, 2^{2001112100002} is an apocalyptic number.

2001112100002 is a deficient number, since it is larger than the sum of its proper divisors (1035066629078).

2001112100002 is a wasteful number, since it uses less digits than its factorization.

2001112100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2903685.

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

Adding to 2001112100002 its reverse (2000012111002), we get a palindrome (4001124211004).

The spelling of 2001112100002 in words is "two trillion, one billion, one hundred twelve million, one hundred thousand, two".