2301202123117 has 2 divisors, whose sum is σ = 2301202123118. Its totient is φ = 2301202123116.

The previous prime is 2301202123111. The next prime is 2301202123183. The reversal of 2301202123117 is 7113212021032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2248617212521 + 52584910596 = 1499539^2 + 229314^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2301202123117 is a prime.

It is a super-2 number, since 2×2301202123117² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2301202123091 and 2301202123100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2301202123111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1150601061558 + 1150601061559.

It is an arithmetic number, because the mean of its divisors is an integer number (1150601061559).

Almost surely, 2^{2301202123117} is an apocalyptic number.

It is an amenable number.

2301202123117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2301202123117 is an equidigital number, since it uses as much as digits as its factorization.

2301202123117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 2301202123117 its reverse (7113212021032), we get a palindrome (9414414144149).

The spelling of 2301202123117 in words is "two trillion, three hundred one billion, two hundred two million, one hundred twenty-three thousand, one hundred seventeen".