2011121112263 has 2 divisors, whose sum is σ = 2011121112264. Its totient is φ = 2011121112262.

The previous prime is 2011121112179. The next prime is 2011121112277. The reversal of 2011121112263 is 3622111211102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2011121112263 - 2¹⁸ = 2011120850119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011121112293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005560556131 + 1005560556132.

It is an arithmetic number, because the mean of its divisors is an integer number (1005560556132).

Almost surely, 2^{2011121112263} is an apocalyptic number.

2011121112263 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011121112263 is an equidigital number, since it uses as much as digits as its factorization.

2011121112263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 2011121112263 its reverse (3622111211102), we get a palindrome (5633232323365).

The spelling of 2011121112263 in words is "two trillion, eleven billion, one hundred twenty-one million, one hundred twelve thousand, two hundred sixty-three".