117167117021 has 2 divisors, whose sum is σ = 117167117022. Its totient is φ = 117167117020.

The previous prime is 117167116999. The next prime is 117167117027. The reversal of 117167117021 is 120711761711.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116028796900 + 1138320121 = 340630^2 + 33739^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117167117021 is a prime.

It is a super-2 number, since 2×117167117021² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117167117027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58583558510 + 58583558511.

It is an arithmetic number, because the mean of its divisors is an integer number (58583558511).

Almost surely, 2^117167117021 is an apocalyptic number.

It is an amenable number.

117167117021 is a deficient number, since it is larger than the sum of its proper divisors (1).

117167117021 is an equidigital number, since it uses as much as digits as its factorization.

117167117021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4116, while the sum is 35.

Adding to 117167117021 its reverse (120711761711), we get a palindrome (237878878732).

The spelling of 117167117021 in words is "one hundred seventeen billion, one hundred sixty-seven million, one hundred seventeen thousand, twenty-one".