111113003221 has 16 divisors (see below), whose sum is σ = 128952744768. Its totient is φ = 94619347200.

The previous prime is 111113003213. The next prime is 111113003273. The reversal of 111113003221 is 122300311111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111113003221 - 2³ = 111113003213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111113003195 and 111113003204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111113003821) 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, 1368570 + ... + 1447483.

It is an arithmetic number, because the mean of its divisors is an integer number (8059546548).

Almost surely, 2^111113003221 is an apocalyptic number.

111113003221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111113003221 is a deficient number, since it is larger than the sum of its proper divisors (17839741547).

111113003221 is a wasteful number, since it uses less digits than its factorization.

111113003221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2816292.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 111113003221 its reverse (122300311111), we get a palindrome (233413314332).

The spelling of 111113003221 in words is "one hundred eleven billion, one hundred thirteen million, three thousand, two hundred twenty-one".