2011211323333 has 2 divisors, whose sum is σ = 2011211323334. Its totient is φ = 2011211323332.

The previous prime is 2011211323309. The next prime is 2011211323339. The reversal of 2011211323333 is 3333231121102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1280593246689 + 730618076644 = 1131633^2 + 854762^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011211323333 - 2²⁹ = 2010674452421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2011211323298 and 2011211323307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011211323339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005605661666 + 1005605661667.

It is an arithmetic number, because the mean of its divisors is an integer number (1005605661667).

Almost surely, 2^{2011211323333} is an apocalyptic number.

It is an amenable number.

2011211323333 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011211323333 is an equidigital number, since it uses as much as digits as its factorization.

2011211323333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 2011211323333 its reverse (3333231121102), we get a palindrome (5344442444435).

The spelling of 2011211323333 in words is "two trillion, eleven billion, two hundred eleven million, three hundred twenty-three thousand, three hundred thirty-three".