110201100202121 has 2 divisors, whose sum is σ = 110201100202122. Its totient is φ = 110201100202120.

The previous prime is 110201100202091. The next prime is 110201100202183. The reversal of 110201100202121 is 121202001102011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83743820857225 + 26457279344896 = 9151165^2 + 5143664^2 .

It is an emirp because it is prime and its reverse (121202001102011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110201100202121 - 2⁶ = 110201100202057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110201100202096 and 110201100202105.

It is not a weakly prime, because it can be changed into another prime (110201100202321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55100550101060 + 55100550101061.

It is an arithmetic number, because the mean of its divisors is an integer number (55100550101061).

Almost surely, 2^{110201100202121} is an apocalyptic number.

It is an amenable number.

110201100202121 is a deficient number, since it is larger than the sum of its proper divisors (1).

110201100202121 is an equidigital number, since it uses as much as digits as its factorization.

110201100202121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 110201100202121 its reverse (121202001102011), we get a palindrome (231403101304132).

The spelling of 110201100202121 in words is "one hundred ten trillion, two hundred one billion, one hundred million, two hundred two thousand, one hundred twenty-one".