11110102261 has 2 divisors, whose sum is σ = 11110102262. Its totient is φ = 11110102260.

The previous prime is 11110102181. The next prime is 11110102279. The reversal of 11110102261 is 16220101111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7510822225 + 3599280036 = 86665^2 + 59994^2 .

It is a cyclic number.

It is not a de Polignac number, because 11110102261 - 2¹³ = 11110094069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11110102291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555051130 + 5555051131.

It is an arithmetic number, because the mean of its divisors is an integer number (5555051131).

Almost surely, 2^11110102261 is an apocalyptic number.

It is an amenable number.

11110102261 is a deficient number, since it is larger than the sum of its proper divisors (1).

11110102261 is an equidigital number, since it uses as much as digits as its factorization.

11110102261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 11110102261 its reverse (16220101111), we get a palindrome (27330203372).

The spelling of 11110102261 in words is "eleven billion, one hundred ten million, one hundred two thousand, two hundred sixty-one".