111213030 has 16 divisors (see below), whose sum is σ = 266911344. Its totient is φ = 29656800.

The previous prime is 111213017. The next prime is 111213041. The reversal of 111213030 is 30312111.

It is a junction number, because it is equal to n+sod(n) for n = 111212997 and 111213015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1853521 + ... + 1853580.

It is an arithmetic number, because the mean of its divisors is an integer number (16681959).

Almost surely, 2^111213030 is an apocalyptic number.

111213030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111213030 is an abundant number, since it is smaller than the sum of its proper divisors (155698314).

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

111213030 is a wasteful number, since it uses less digits than its factorization.

111213030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3707111.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 111213030 is about 10545.7588631639. The cubic root of 111213030 is about 480.8968043218.

Adding to 111213030 its reverse (30312111), we get a palindrome (141525141).

The spelling of 111213030 in words is "one hundred eleven million, two hundred thirteen thousand, thirty".