221235542822033 has 2 divisors, whose sum is σ = 221235542822034. Its totient is φ = 221235542822032.

The previous prime is 221235542822027. The next prime is 221235542822053. The reversal of 221235542822033 is 330228245532122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219842064093184 + 1393478728849 = 14827072^2 + 1180457^2 .

It is a cyclic number.

It is not a de Polignac number, because 221235542822033 - 2¹⁶ = 221235542756497 is a prime.

It is a super-3 number, since 3×221235542822033³ (a number of 44 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (221235542822053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110617771411016 + 110617771411017.

It is an arithmetic number, because the mean of its divisors is an integer number (110617771411017).

Almost surely, 2^{221235542822033} is an apocalyptic number.

It is an amenable number.

221235542822033 is a deficient number, since it is larger than the sum of its proper divisors (1).

221235542822033 is an equidigital number, since it uses as much as digits as its factorization.

221235542822033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1382400, while the sum is 44.

The spelling of 221235542822033 in words is "two hundred twenty-one trillion, two hundred thirty-five billion, five hundred forty-two million, eight hundred twenty-two thousand, thirty-three".