111210122103 has 4 divisors (see below), whose sum is σ = 148280162808. Its totient is φ = 74140081400.

The previous prime is 111210122071. The next prime is 111210122143. The reversal of 111210122103 is 301221012111.

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 111210122103 - 2⁵ = 111210122071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111210122143) 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, 18535020348 + ... + 18535020353.

It is an arithmetic number, because the mean of its divisors is an integer number (37070040702).

Almost surely, 2^111210122103 is an apocalyptic number.

111210122103 is a deficient number, since it is larger than the sum of its proper divisors (37070040705).

111210122103 is an equidigital number, since it uses as much as digits as its factorization.

111210122103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37070040704.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 111210122103 its reverse (301221012111), we get a palindrome (412431134214).

The spelling of 111210122103 in words is "one hundred eleven billion, two hundred ten million, one hundred twenty-two thousand, one hundred three".