111321012230 has 32 divisors (see below), whose sum is σ = 209127144384. Its totient is φ = 42584800896.

The previous prime is 111321012227. The next prime is 111321012233. The reversal of 111321012230 is 32210123111.

It is an interprime number because it is at equal distance from previous prime (111321012227) and next prime (111321012233).

It is a junction number, because it is equal to n+sod(n) for n = 111321012199 and 111321012208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111321012233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1348424 + ... + 1428596.

It is an arithmetic number, because the mean of its divisors is an integer number (6535223262).

Almost surely, 2^111321012230 is an apocalyptic number.

111321012230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111321012230 is a deficient number, since it is larger than the sum of its proper divisors (97806132154).

111321012230 is a wasteful number, since it uses less digits than its factorization.

111321012230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86240.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 111321012230 its reverse (32210123111), we get a palindrome (143531135341).

The spelling of 111321012230 in words is "one hundred eleven billion, three hundred twenty-one million, twelve thousand, two hundred thirty".