221524312006141 has 2 divisors, whose sum is σ = 221524312006142. Its totient is φ = 221524312006140.

The previous prime is 221524312006133. The next prime is 221524312006157. The reversal of 221524312006141 is 141600213425122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156878756265625 + 64645555740516 = 12525125^2 + 8040246^2 .

It is a cyclic number.

It is not a de Polignac number, because 221524312006141 - 2³ = 221524312006133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221524312006097 and 221524312006106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221524312006171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110762156003070 + 110762156003071.

It is an arithmetic number, because the mean of its divisors is an integer number (110762156003071).

Almost surely, 2^{221524312006141} is an apocalyptic number.

It is an amenable number.

221524312006141 is a deficient number, since it is larger than the sum of its proper divisors (1).

221524312006141 is an equidigital number, since it uses as much as digits as its factorization.

221524312006141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 221524312006141 in words is "two hundred twenty-one trillion, five hundred twenty-four billion, three hundred twelve million, six thousand, one hundred forty-one".