119855221 has 2 divisors, whose sum is σ = 119855222. Its totient is φ = 119855220.

The previous prime is 119855191. The next prime is 119855273. The reversal of 119855221 is 122558911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83010321 + 36844900 = 9111^2 + 6070^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-119855221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (119805221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59927610 + 59927611.

It is an arithmetic number, because the mean of its divisors is an integer number (59927611).

Almost surely, 2^119855221 is an apocalyptic number.

It is an amenable number.

119855221 is a deficient number, since it is larger than the sum of its proper divisors (1).

119855221 is an equidigital number, since it uses as much as digits as its factorization.

119855221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 34.

The square root of 119855221 is about 10947.8409286946. The cubic root of 119855221 is about 493.0439707499.

The spelling of 119855221 in words is "one hundred nineteen million, eight hundred fifty-five thousand, two hundred twenty-one".