11665222102 has 48 divisors (see below), whose sum is σ = 19247202000. Its totient is φ = 5281500672.

The previous prime is 11665222091. The next prime is 11665222139. The reversal of 11665222102 is 20122256611.

It is a congruent number.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 14071024 + ... + 14071852.

It is an arithmetic number, because the mean of its divisors is an integer number (400983375).

Almost surely, 2^11665222102 is an apocalyptic number.

11665222102 is a deficient number, since it is larger than the sum of its proper divisors (7581979898).

11665222102 is a wasteful number, since it uses less digits than its factorization.

11665222102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105 (or 992 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 11665222102 its reverse (20122256611), we get a palindrome (31787478713).

The spelling of 11665222102 in words is "eleven billion, six hundred sixty-five million, two hundred twenty-two thousand, one hundred two".