2001120011002 has 24 divisors (see below), whose sum is σ = 3548992040820. Its totient is φ = 843563468160.

The previous prime is 2001120010997. The next prime is 2001120011039. The reversal of 2001120011002 is 2001100211002.

It can be written as a sum of positive squares in 2 ways, for example, as 1228459672881 + 772660338121 = 1108359^2 + 879011^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2001120011002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167367727 + ... + 167379682.

Almost surely, 2^{2001120011002} is an apocalyptic number.

2001120011002 is a deficient number, since it is larger than the sum of its proper divisors (1547872029818).

2001120011002 is a wasteful number, since it uses less digits than its factorization.

2001120011002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334747486 (or 334747479 counting only the distinct ones).

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

Adding to 2001120011002 its reverse (2001100211002), we get a palindrome (4002220222004).

The spelling of 2001120011002 in words is "two trillion, one billion, one hundred twenty million, eleven thousand, two".