11220220221953 has 2 divisors, whose sum is σ = 11220220221954. Its totient is φ = 11220220221952.

The previous prime is 11220220221863. The next prime is 11220220222019. The reversal of 11220220221953 is 35912202202211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10791336690289 + 428883531664 = 3285017^2 + 654892^2 .

It is a cyclic number.

It is not a de Polignac number, because 11220220221953 - 2²⁰ = 11220219173377 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11220220220953) 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, 5610110110976 + 5610110110977.

It is an arithmetic number, because the mean of its divisors is an integer number (5610110110977).

Almost surely, 2^{11220220221953} is an apocalyptic number.

It is an amenable number.

11220220221953 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220220221953 is an equidigital number, since it uses as much as digits as its factorization.

11220220221953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 11220220221953 in words is "eleven trillion, two hundred twenty billion, two hundred twenty million, two hundred twenty-one thousand, nine hundred fifty-three".