111021201230 has 16 divisors (see below), whose sum is σ = 199850011344. Its totient is φ = 44405847360.

The previous prime is 111021201211. The next prime is 111021201233. The reversal of 111021201230 is 32102120111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111021201233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147272 + ... + 493691.

It is an arithmetic number, because the mean of its divisors is an integer number (12490625709).

Almost surely, 2^111021201230 is an apocalyptic number.

111021201230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111021201230 is a deficient number, since it is larger than the sum of its proper divisors (88828810114).

111021201230 is a wasteful number, since it uses less digits than its factorization.

111021201230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658291.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 111021201230 its reverse (32102120111), we get a palindrome (143123321341).

The spelling of 111021201230 in words is "one hundred eleven billion, twenty-one million, two hundred one thousand, two hundred thirty".