111030103100 has 36 divisors (see below), whose sum is σ = 275354657424. Its totient is φ = 38067463680.

The previous prime is 111030103057. The next prime is 111030103123. The reversal of 111030103100 is 1301030111.

It is a happy number.

It is a super-2 number, since 2×111030103100² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79306517 + ... + 79307916.

It is an arithmetic number, because the mean of its divisors is an integer number (7648740484).

Almost surely, 2^111030103100 is an apocalyptic number.

111030103100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111030103100 is an abundant number, since it is smaller than the sum of its proper divisors (164324554324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111030103100 is a wasteful number, since it uses less digits than its factorization.

111030103100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158614454 (or 158614447 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 11.

Adding to 111030103100 its reverse (1301030111), we get a palindrome (112331133211).

The spelling of 111030103100 in words is "one hundred eleven billion, thirty million, one hundred three thousand, one hundred".