2011142103011 has 4 divisors (see below), whose sum is σ = 2116991687400. Its totient is φ = 1905292518624.

The previous prime is 2011142103007. The next prime is 2011142103013. The reversal of 2011142103011 is 1103012411102.

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

It is a cyclic number.

It is not a de Polignac number, because 2011142103011 - 2² = 2011142103007 is a prime.

It is a super-2 number, since 2×2011142103011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011142103013) 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, 52924792166 + ... + 52924792203.

It is an arithmetic number, because the mean of its divisors is an integer number (529247921850).

Almost surely, 2^{2011142103011} is an apocalyptic number.

2011142103011 is a deficient number, since it is larger than the sum of its proper divisors (105849584389).

2011142103011 is a wasteful number, since it uses less digits than its factorization.

2011142103011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105849584388.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 2011142103011 its reverse (1103012411102), we get a palindrome (3114154514113).

The spelling of 2011142103011 in words is "two trillion, eleven billion, one hundred forty-two million, one hundred three thousand, eleven".