118851048221 has 2 divisors, whose sum is σ = 118851048222. Its totient is φ = 118851048220.

The previous prime is 118851048157. The next prime is 118851048233. The reversal of 118851048221 is 122840158811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78955380100 + 39895668121 = 280990^2 + 199739^2 .

It is a cyclic number.

It is not a de Polignac number, because 118851048221 - 2⁶ = 118851048157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118851048721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59425524110 + 59425524111.

It is an arithmetic number, because the mean of its divisors is an integer number (59425524111).

Almost surely, 2^118851048221 is an apocalyptic number.

It is an amenable number.

118851048221 is a deficient number, since it is larger than the sum of its proper divisors (1).

118851048221 is an equidigital number, since it uses as much as digits as its factorization.

118851048221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40960, while the sum is 41.

The spelling of 118851048221 in words is "one hundred eighteen billion, eight hundred fifty-one million, forty-eight thousand, two hundred twenty-one".