110002120100261 has 2 divisors, whose sum is σ = 110002120100262. Its totient is φ = 110002120100260.

The previous prime is 110002120100167. The next prime is 110002120100267. The reversal of 110002120100261 is 162001021200011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101382646521025 + 8619473579236 = 10068895^2 + 2935894^2 .

It is a cyclic number.

It is not a de Polignac number, because 110002120100261 - 2¹⁰ = 110002120099237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110002120100267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55001060050130 + 55001060050131.

It is an arithmetic number, because the mean of its divisors is an integer number (55001060050131).

Almost surely, 2^{110002120100261} is an apocalyptic number.

It is an amenable number.

110002120100261 is a deficient number, since it is larger than the sum of its proper divisors (1).

110002120100261 is an equidigital number, since it uses as much as digits as its factorization.

110002120100261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 110002120100261 its reverse (162001021200011), we get a palindrome (272003141300272).

The spelling of 110002120100261 in words is "one hundred ten trillion, two billion, one hundred twenty million, one hundred thousand, two hundred sixty-one".