2012101101011 has 4 divisors (see below), whose sum is σ = 2045086365024. Its totient is φ = 1979115837000.

The previous prime is 2012101100987. The next prime is 2012101101047. The reversal of 2012101101011 is 1101011012102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2012101101011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2012101100983 and 2012101101001.

It is not an unprimeable number, because it can be changed into a prime (2012101101911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16492631915 + ... + 16492632036.

It is an arithmetic number, because the mean of its divisors is an integer number (511271591256).

Almost surely, 2^{2012101101011} is an apocalyptic number.

2012101101011 is a deficient number, since it is larger than the sum of its proper divisors (32985264013).

2012101101011 is an equidigital number, since it uses as much as digits as its factorization.

2012101101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32985264012.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 2012101101011 its reverse (1101011012102), we get a palindrome (3113112113113).

It can be divided in two parts, 2012101 and 101011, that added together give a palindrome (2113112).

The spelling of 2012101101011 in words is "two trillion, twelve billion, one hundred one million, one hundred one thousand, eleven".