2011120332311 has 2 divisors, whose sum is σ = 2011120332312. Its totient is φ = 2011120332310.

The previous prime is 2011120332239. The next prime is 2011120332313. The reversal of 2011120332311 is 1132330211102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2011120332311 - 2²² = 2011116138007 is a prime.

Together with 2011120332313, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011120332313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005560166155 + 1005560166156.

It is an arithmetic number, because the mean of its divisors is an integer number (1005560166156).

Almost surely, 2^{2011120332311} is an apocalyptic number.

2011120332311 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011120332311 is an equidigital number, since it uses as much as digits as its factorization.

2011120332311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2011120332311 its reverse (1132330211102), we get a palindrome (3143450543413).

The spelling of 2011120332311 in words is "two trillion, eleven billion, one hundred twenty million, three hundred thirty-two thousand, three hundred eleven".