111022221200221 has 4 divisors (see below), whose sum is σ = 111029972539072. Its totient is φ = 111014469861372.

The previous prime is 111022221200213. The next prime is 111022221200243. The reversal of 111022221200221 is 122002122220111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111022221200221 - 2³ = 111022221200213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111022221210221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3875647941 + ... + 3875676586.

It is an arithmetic number, because the mean of its divisors is an integer number (27757493134768).

Almost surely, 2^{111022221200221} is an apocalyptic number.

It is an amenable number.

111022221200221 is a deficient number, since it is larger than the sum of its proper divisors (7751338851).

111022221200221 is an equidigital number, since it uses as much as digits as its factorization.

111022221200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7751338850.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 111022221200221 its reverse (122002122220111), we get a palindrome (233024343420332).

The spelling of 111022221200221 in words is "one hundred eleven trillion, twenty-two billion, two hundred twenty-one million, two hundred thousand, two hundred twenty-one".