111223312010 has 16 divisors (see below), whose sum is σ = 200265193800. Its totient is φ = 44475273216.

The previous prime is 111223312003. The next prime is 111223312019. The reversal of 111223312010 is 10213322111.

It can be written as a sum of positive squares in 4 ways, for example, as 110410662961 + 812649049 = 332281^2 + 28507^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111223312010.

It is not an unprimeable number, because it can be changed into a prime (111223312019) 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, 1723175 + ... + 1786554.

Almost surely, 2^111223312010 is an apocalyptic number.

111223312010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111223312010 is a deficient number, since it is larger than the sum of its proper divisors (89041881790).

111223312010 is a wasteful number, since it uses less digits than its factorization.

111223312010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3512905.

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

Adding to 111223312010 its reverse (10213322111), we get a palindrome (121436634121).

The spelling of 111223312010 in words is "one hundred eleven billion, two hundred twenty-three million, three hundred twelve thousand, ten".