120548534221 has 2 divisors, whose sum is σ = 120548534222. Its totient is φ = 120548534220.

The previous prime is 120548534213. The next prime is 120548534269. The reversal of 120548534221 is 122435845021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117590697225 + 2957836996 = 342915^2 + 54386^2 .

It is a cyclic number.

It is not a de Polignac number, because 120548534221 - 2³ = 120548534213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120548534201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60274267110 + 60274267111.

It is an arithmetic number, because the mean of its divisors is an integer number (60274267111).

Almost surely, 2^120548534221 is an apocalyptic number.

It is an amenable number.

120548534221 is a deficient number, since it is larger than the sum of its proper divisors (1).

120548534221 is an equidigital number, since it uses as much as digits as its factorization.

120548534221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 76800, while the sum is 37.

The spelling of 120548534221 in words is "one hundred twenty billion, five hundred forty-eight million, five hundred thirty-four thousand, two hundred twenty-one".