2011213733393 has 2 divisors, whose sum is σ = 2011213733394. Its totient is φ = 2011213733392.

The previous prime is 2011213733381. The next prime is 2011213733411. The reversal of 2011213733393 is 3933373121102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1036063408384 + 975150325009 = 1017872^2 + 987497^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011213733393 - 2¹⁰ = 2011213732369 is a prime.

It is not a weakly prime, because it can be changed into another prime (2011213733693) 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, 1005606866696 + 1005606866697.

It is an arithmetic number, because the mean of its divisors is an integer number (1005606866697).

Almost surely, 2^{2011213733393} is an apocalyptic number.

It is an amenable number.

2011213733393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011213733393 is an equidigital number, since it uses as much as digits as its factorization.

2011213733393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 38.

Adding to 2011213733393 its reverse (3933373121102), we get a palindrome (5944586854495).

The spelling of 2011213733393 in words is "two trillion, eleven billion, two hundred thirteen million, seven hundred thirty-three thousand, three hundred ninety-three".