111112200221 has 16 divisors (see below), whose sum is σ = 126499079808. Its totient is φ = 96607368000.

The previous prime is 111112200197. The next prime is 111112200223. The reversal of 111112200221 is 122002211111.

It is not a de Polignac number, because 111112200221 - 2¹⁴ = 111112183837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111112200196 and 111112200205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111112200223) 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, 2482775 + ... + 2527131.

It is an arithmetic number, because the mean of its divisors is an integer number (7906192488).

Almost surely, 2^111112200221 is an apocalyptic number.

111112200221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111112200221 is a deficient number, since it is larger than the sum of its proper divisors (15386879587).

111112200221 is a wasteful number, since it uses less digits than its factorization.

111112200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54292.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111112200221 its reverse (122002211111), we get a palindrome (233114411332).

It can be divided in two parts, 1111 and 12200221, that multiplied together give a palindrome (13554445531).

The spelling of 111112200221 in words is "one hundred eleven billion, one hundred twelve million, two hundred thousand, two hundred twenty-one".