1011112211103 has 4 divisors (see below), whose sum is σ = 1348149614808. Its totient is φ = 674074807400.

The previous prime is 1011112211093. The next prime is 1011112211107. The reversal of 1011112211103 is 3011122111101.

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

It is a cyclic number.

It is not a de Polignac number, because 1011112211103 - 2¹⁶ = 1011112145567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011112211107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168518701848 + ... + 168518701853.

It is an arithmetic number, because the mean of its divisors is an integer number (337037403702).

Almost surely, 2^{1011112211103} is an apocalyptic number.

1011112211103 is a deficient number, since it is larger than the sum of its proper divisors (337037403705).

1011112211103 is an equidigital number, since it uses as much as digits as its factorization.

1011112211103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337037403704.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 1011112211103 its reverse (3011122111101), we get a palindrome (4022234322204).

The spelling of 1011112211103 in words is "one trillion, eleven billion, one hundred twelve million, two hundred eleven thousand, one hundred three".