20114210117 has 2 divisors, whose sum is σ = 20114210118. Its totient is φ = 20114210116.

The previous prime is 20114210101. The next prime is 20114210153. The reversal of 20114210117 is 71101241102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17601594241 + 2512615876 = 132671^2 + 50126^2 .

It is a cyclic number.

It is not a de Polignac number, because 20114210117 - 2⁴ = 20114210101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20114210197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10057105058 + 10057105059.

It is an arithmetic number, because the mean of its divisors is an integer number (10057105059).

Almost surely, 2^20114210117 is an apocalyptic number.

It is an amenable number.

20114210117 is a deficient number, since it is larger than the sum of its proper divisors (1).

20114210117 is an equidigital number, since it uses as much as digits as its factorization.

20114210117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 20114210117 its reverse (71101241102), we get a palindrome (91215451219).

The spelling of 20114210117 in words is "twenty billion, one hundred fourteen million, two hundred ten thousand, one hundred seventeen".