111220221014 has 32 divisors (see below), whose sum is σ = 202567853376. Its totient is φ = 44708797440.

The previous prime is 111220221011. The next prime is 111220221019. The reversal of 111220221014 is 410122022111.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 111220220983 and 111220221001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111220221011) 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, 727727 + ... + 867194.

It is an arithmetic number, because the mean of its divisors is an integer number (6330245418).

Almost surely, 2^111220221014 is an apocalyptic number.

111220221014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

111220221014 is a deficient number, since it is larger than the sum of its proper divisors (91347632362).

111220221014 is a wasteful number, since it uses less digits than its factorization.

111220221014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595240.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 111220221014 its reverse (410122022111), we get a palindrome (521342243125).

The spelling of 111220221014 in words is "one hundred eleven billion, two hundred twenty million, two hundred twenty-one thousand, fourteen".