11202102100261 has 2 divisors, whose sum is σ = 11202102100262. Its totient is φ = 11202102100260.

The previous prime is 11202102100213. The next prime is 11202102100279. The reversal of 11202102100261 is 16200120120211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10289217397761 + 912884702500 = 3207681^2 + 955450^2 .

It is a cyclic number.

It is not a de Polignac number, because 11202102100261 - 2²⁷ = 11201967882533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11202102100201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601051050130 + 5601051050131.

It is an arithmetic number, because the mean of its divisors is an integer number (5601051050131).

Almost surely, 2^{11202102100261} is an apocalyptic number.

It is an amenable number.

11202102100261 is a deficient number, since it is larger than the sum of its proper divisors (1).

11202102100261 is an equidigital number, since it uses as much as digits as its factorization.

11202102100261 is an evil number, because the sum of its binary digits is even.

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

Adding to 11202102100261 its reverse (16200120120211), we get a palindrome (27402222220472).

The spelling of 11202102100261 in words is "eleven trillion, two hundred two billion, one hundred two million, one hundred thousand, two hundred sixty-one".