117469571221 has 2 divisors, whose sum is σ = 117469571222. Its totient is φ = 117469571220.

The previous prime is 117469571189. The next prime is 117469571239. The reversal of 117469571221 is 122175964711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117203522500 + 266048721 = 342350^2 + 16311^2 .

It is a cyclic number.

It is not a de Polignac number, because 117469571221 - 2⁵ = 117469571189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117469571251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58734785610 + 58734785611.

It is an arithmetic number, because the mean of its divisors is an integer number (58734785611).

Almost surely, 2^117469571221 is an apocalyptic number.

It is an amenable number.

117469571221 is a deficient number, since it is larger than the sum of its proper divisors (1).

117469571221 is an equidigital number, since it uses as much as digits as its factorization.

117469571221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 46.

The spelling of 117469571221 in words is "one hundred seventeen billion, four hundred sixty-nine million, five hundred seventy-one thousand, two hundred twenty-one".