20212213179553 has 2 divisors, whose sum is σ = 20212213179554. Its totient is φ = 20212213179552.

The previous prime is 20212213179547. The next prime is 20212213179583. The reversal of 20212213179553 is 35597131221202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16742401695504 + 3469811484049 = 4091748^2 + 1862743^2 .

It is a cyclic number.

It is not a de Polignac number, because 20212213179553 - 2²⁹ = 20211676308641 is a prime.

It is not a weakly prime, because it can be changed into another prime (20212213179503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10106106589776 + 10106106589777.

It is an arithmetic number, because the mean of its divisors is an integer number (10106106589777).

Almost surely, 2^{20212213179553} is an apocalyptic number.

It is an amenable number.

20212213179553 is a deficient number, since it is larger than the sum of its proper divisors (1).

20212213179553 is an equidigital number, since it uses as much as digits as its factorization.

20212213179553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 20212213179553 in words is "twenty trillion, two hundred twelve billion, two hundred thirteen million, one hundred seventy-nine thousand, five hundred fifty-three".