11102002210261 has 2 divisors, whose sum is σ = 11102002210262. Its totient is φ = 11102002210260.

The previous prime is 11102002210183. The next prime is 11102002210289. The reversal of 11102002210261 is 16201220020111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7719367640625 + 3382634569636 = 2778375^2 + 1839194^2 .

It is a cyclic number.

It is not a de Polignac number, because 11102002210261 - 2²¹ = 11102000113109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11102002210291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5551001105130 + 5551001105131.

It is an arithmetic number, because the mean of its divisors is an integer number (5551001105131).

Almost surely, 2^{11102002210261} is an apocalyptic number.

It is an amenable number.

11102002210261 is a deficient number, since it is larger than the sum of its proper divisors (1).

11102002210261 is an equidigital number, since it uses as much as digits as its factorization.

11102002210261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 11102002210261 its reverse (16201220020111), we get a palindrome (27303222230372).

The spelling of 11102002210261 in words is "eleven trillion, one hundred two billion, two million, two hundred ten thousand, two hundred sixty-one".