111010121230 has 16 divisors (see below), whose sum is σ = 208505967264. Its totient is φ = 42473437600.

The previous prime is 111010121203. The next prime is 111010121263. The reversal of 111010121230 is 32121010111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 111010121230.

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, 241326121 + ... + 241326580.

It is an arithmetic number, because the mean of its divisors is an integer number (13031622954).

Almost surely, 2^111010121230 is an apocalyptic number.

111010121230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111010121230 is a deficient number, since it is larger than the sum of its proper divisors (97495846034).

111010121230 is a wasteful number, since it uses less digits than its factorization.

111010121230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482652731.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 111010121230 its reverse (32121010111), we get a palindrome (143131131341).

The spelling of 111010121230 in words is "one hundred eleven billion, ten million, one hundred twenty-one thousand, two hundred thirty".