2011011343111 has 4 divisors (see below), whose sum is σ = 2116854045400. Its totient is φ = 1905168640824.

The previous prime is 2011011343093. The next prime is 2011011343129. The reversal of 2011011343111 is 1113431101102.

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

It is an interprime number because it is at equal distance from previous prime (2011011343093) and next prime (2011011343129).

It is a cyclic number.

It is not a de Polignac number, because 2011011343111 - 2²³ = 2011002954503 is a prime.

It is a super-2 number, since 2×2011011343111² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 105842702269 = 2011011343111 / (2 + 0 + 1 + 1 + 0 + 1 + 1 + 3 + 4 + 3 + 1 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011011343171) 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, 52921351116 + ... + 52921351153.

It is an arithmetic number, because the mean of its divisors is an integer number (529213511350).

Almost surely, 2^{2011011343111} is an apocalyptic number.

2011011343111 is a deficient number, since it is larger than the sum of its proper divisors (105842702289).

2011011343111 is a wasteful number, since it uses less digits than its factorization.

2011011343111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105842702288.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 2011011343111 its reverse (1113431101102), we get a palindrome (3124442444213).

The spelling of 2011011343111 in words is "two trillion, eleven billion, eleven million, three hundred forty-three thousand, one hundred eleven".