2101201001117 has 2 divisors, whose sum is σ = 2101201001118. Its totient is φ = 2101201001116.

The previous prime is 2101201001101. The next prime is 2101201001131. The reversal of 2101201001117 is 7111001021012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1830557586361 + 270643414756 = 1352981^2 + 520234^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101201001117 - 2⁴ = 2101201001101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2101201001095 and 2101201001104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101201007117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050600500558 + 1050600500559.

It is an arithmetic number, because the mean of its divisors is an integer number (1050600500559).

Almost surely, 2^{2101201001117} is an apocalyptic number.

It is an amenable number.

2101201001117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101201001117 is an equidigital number, since it uses as much as digits as its factorization.

2101201001117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 17.

Adding to 2101201001117 its reverse (7111001021012), we get a palindrome (9212202022129).

The spelling of 2101201001117 in words is "two trillion, one hundred one billion, two hundred one million, one thousand, one hundred seventeen".