2011102311 has 8 divisors (see below), whose sum is σ = 2690038000. Its totient is φ = 1336450752.

The previous prime is 2011102307. The next prime is 2011102321. The reversal of 2011102311 is 1132011102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2011102311 - 2² = 2011102307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011102321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1069936 + ... + 1071813.

It is an arithmetic number, because the mean of its divisors is an integer number (336254750).

Almost surely, 2^2011102311 is an apocalyptic number.

2011102311 is a deficient number, since it is larger than the sum of its proper divisors (678935689).

2011102311 is a wasteful number, since it uses less digits than its factorization.

2011102311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142065.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 2011102311 is about 44845.3153740722. The cubic root of 2011102311 is about 1262.2480884961.

Adding to 2011102311 its reverse (1132011102), we get a palindrome (3143113413).

The spelling of 2011102311 in words is "two billion, eleven million, one hundred two thousand, three hundred eleven".