2011100101012 has 6 divisors (see below), whose sum is σ = 3519425176778. Its totient is φ = 1005550050504.

The previous prime is 2011100101009. The next prime is 2011100101093. The reversal of 2011100101012 is 2101010011102.

It can be written as a sum of positive squares in only one way, i.e., 2006228619396 + 4871481616 = 1416414^2 + 69796^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2011100101012.

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, 251387512623 + ... + 251387512630.

Almost surely, 2^{2011100101012} is an apocalyptic number.

It is an amenable number.

2011100101012 is a deficient number, since it is larger than the sum of its proper divisors (1508325075766).

2011100101012 is a wasteful number, since it uses less digits than its factorization.

2011100101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502775025257 (or 502775025255 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 2011100101012 its reverse (2101010011102), we get a palindrome (4112110112114).

It can be divided in two parts, 2011100 and 101012, that added together give a palindrome (2112112).

The spelling of 2011100101012 in words is "two trillion, eleven billion, one hundred million, one hundred one thousand, twelve".