20113211222333 has 2 divisors, whose sum is σ = 20113211222334. Its totient is φ = 20113211222332.

The previous prime is 20113211222329. The next prime is 20113211222353. The reversal of 20113211222333 is 33322211231102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13913220781849 + 6199990440484 = 3730043^2 + 2489978^2 .

It is a cyclic number.

It is not a de Polignac number, because 20113211222333 - 2² = 20113211222329 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20113211222323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056605611166 + 10056605611167.

It is an arithmetic number, because the mean of its divisors is an integer number (10056605611167).

Almost surely, 2^{20113211222333} is an apocalyptic number.

It is an amenable number.

20113211222333 is a deficient number, since it is larger than the sum of its proper divisors (1).

20113211222333 is an equidigital number, since it uses as much as digits as its factorization.

20113211222333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 20113211222333 its reverse (33322211231102), we get a palindrome (53435422453435).

The spelling of 20113211222333 in words is "twenty trillion, one hundred thirteen billion, two hundred eleven million, two hundred twenty-two thousand, three hundred thirty-three".