117021101 has 2 divisors, whose sum is σ = 117021102. Its totient is φ = 117021100.

The previous prime is 117021097. The next prime is 117021139. The reversal of 117021101 is 101120711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115047076 + 1974025 = 10726^2 + 1405^2 .

It is a cyclic number.

It is not a de Polignac number, because 117021101 - 2² = 117021097 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117026101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58510550 + 58510551.

It is an arithmetic number, because the mean of its divisors is an integer number (58510551).

Almost surely, 2^117021101 is an apocalyptic number.

It is an amenable number.

117021101 is a deficient number, since it is larger than the sum of its proper divisors (1).

117021101 is an equidigital number, since it uses as much as digits as its factorization.

117021101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14, while the sum is 14.

The square root of 117021101 is about 10817.6291764878. The cubic root of 117021101 is about 489.1267258539.

Adding to 117021101 its reverse (101120711), we get a palindrome (218141812).

The spelling of 117021101 in words is "one hundred seventeen million, twenty-one thousand, one hundred one".