11111111011102 has 8 divisors (see below), whose sum is σ = 17204300920512. Its totient is φ = 5376344037600.

The previous prime is 11111111011081. The next prime is 11111111011153. The reversal of 11111111011102 is 20111011111111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89605733899 + ... + 89605734022.

It is an arithmetic number, because the mean of its divisors is an integer number (2150537615064).

Almost surely, 2^{11111111011102} is an apocalyptic number.

11111111011102 is a deficient number, since it is larger than the sum of its proper divisors (6093189909410).

11111111011102 is a wasteful number, since it uses less digits than its factorization.

11111111011102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179211467954.

The product of its (nonzero) digits is 2, while the sum is 13.

Adding to 11111111011102 its reverse (20111011111111), we get a palindrome (31222122122213).

The spelling of 11111111011102 in words is "eleven trillion, one hundred eleven billion, one hundred eleven million, eleven thousand, one hundred two".