111120220200221 has 8 divisors (see below), whose sum is σ = 113990820481824. Its totient is φ = 108262638514800.

The previous prime is 111120220200137. The next prime is 111120220200289. The reversal of 111120220200221 is 122002022021111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111120220200221 - 2²⁶ = 111120153091357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111120220200221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111120220205221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3254631755 + ... + 3254665896.

It is an arithmetic number, because the mean of its divisors is an integer number (14248852560228).

Almost surely, 2^{111120220200221} is an apocalyptic number.

It is an amenable number.

111120220200221 is a deficient number, since it is larger than the sum of its proper divisors (2870600281603).

111120220200221 is an equidigital number, since it uses as much as digits as its factorization.

111120220200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6509298091.

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

Adding to 111120220200221 its reverse (122002022021111), we get a palindrome (233122242221332).

The spelling of 111120220200221 in words is "one hundred eleven trillion, one hundred twenty billion, two hundred twenty million, two hundred thousand, two hundred twenty-one".