2011010111233 has 2 divisors, whose sum is σ = 2011010111234. Its totient is φ = 2011010111232.

The previous prime is 2011010111207. The next prime is 2011010111239. The reversal of 2011010111233 is 3321110101102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1062367226944 + 948642884289 = 1030712^2 + 973983^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011010111233 is a prime.

It is not a weakly prime, because it can be changed into another prime (2011010111239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005505055616 + 1005505055617.

It is an arithmetic number, because the mean of its divisors is an integer number (1005505055617).

Almost surely, 2^{2011010111233} is an apocalyptic number.

It is an amenable number.

2011010111233 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011010111233 is an equidigital number, since it uses as much as digits as its factorization.

2011010111233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 2011010111233 its reverse (3321110101102), we get a palindrome (5332120212335).

The spelling of 2011010111233 in words is "two trillion, eleven billion, ten million, one hundred eleven thousand, two hundred thirty-three".