10111123230 has 128 divisors (see below), whose sum is σ = 27081008640. Its totient is φ = 2400253440.

The previous prime is 10111123189. The next prime is 10111123241. The reversal of 10111123230 is 3232111101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1215385 + ... + 1223675.

It is an arithmetic number, because the mean of its divisors is an integer number (211570380).

Almost surely, 2^10111123230 is an apocalyptic number.

10111123230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10111123230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13540504320).

10111123230 is an abundant number, since it is smaller than the sum of its proper divisors (16969885410).

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

10111123230 is a wasteful number, since it uses less digits than its factorization.

10111123230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8426.

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

Adding to 10111123230 its reverse (3232111101), we get a palindrome (13343234331).

The spelling of 10111123230 in words is "ten billion, one hundred eleven million, one hundred twenty-three thousand, two hundred thirty".