2011002001012 has 6 divisors (see below), whose sum is σ = 3519253501778. Its totient is φ = 1005501000504.

The previous prime is 2011002000971. The next prime is 2011002001189. The reversal of 2011002001012 is 2101002001102.

It can be written as a sum of positive squares in only one way, i.e., 1786937991696 + 224064009316 = 1336764^2 + 473354^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2011002001012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251375250123 + ... + 251375250130.

Almost surely, 2^{2011002001012} is an apocalyptic number.

It is an amenable number.

2011002001012 is a deficient number, since it is larger than the sum of its proper divisors (1508251500766).

2011002001012 is a wasteful number, since it uses less digits than its factorization.

2011002001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502750500257 (or 502750500255 counting only the distinct ones).

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

Adding to 2011002001012 its reverse (2101002001102), we get a palindrome (4112004002114).

The spelling of 2011002001012 in words is "two trillion, eleven billion, two million, one thousand, twelve".