111023021103 has 8 divisors (see below), whose sum is σ = 149024190000. Its totient is φ = 73518599808.

The previous prime is 111023021101. The next prime is 111023021107. The reversal of 111023021103 is 301120320111.

It is a happy number.

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

It is not a de Polignac number, because 111023021103 - 2¹ = 111023021101 is a prime.

It is a super-2 number, since 2×111023021103² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111023021101) 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 7 ways as a sum of consecutive naturals, for example, 124186378 + ... + 124187271.

It is an arithmetic number, because the mean of its divisors is an integer number (18628023750).

Almost surely, 2^111023021103 is an apocalyptic number.

111023021103 is a deficient number, since it is larger than the sum of its proper divisors (38001168897).

111023021103 is a wasteful number, since it uses less digits than its factorization.

111023021103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248373801.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 111023021103 its reverse (301120320111), we get a palindrome (412143341214).

The spelling of 111023021103 in words is "one hundred eleven billion, twenty-three million, twenty-one thousand, one hundred three".