1011102110111 has 4 divisors (see below), whose sum is σ = 1011204241224. Its totient is φ = 1010999979000.

The previous prime is 1011102110099. The next prime is 1011102110149. The reversal of 1011102110111 is 1110112011101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011102110111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011102110092 and 1011102110101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011102110191) 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 in 3 ways as a sum of consecutive naturals, for example, 51050705 + ... + 51070506.

It is an arithmetic number, because the mean of its divisors is an integer number (252801060306).

Almost surely, 2^{1011102110111} is an apocalyptic number.

1011102110111 is a deficient number, since it is larger than the sum of its proper divisors (102131113).

1011102110111 is an equidigital number, since it uses as much as digits as its factorization.

1011102110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102131112.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 1011102110111 its reverse (1110112011101), we get a palindrome (2121214121212).

The spelling of 1011102110111 in words is "one trillion, eleven billion, one hundred two million, one hundred ten thousand, one hundred eleven".