220111200221 has 8 divisors (see below), whose sum is σ = 241007369088. Its totient is φ = 199362708000.

The previous prime is 220111200157. The next prime is 220111200227. The reversal of 220111200221 is 122002111022.

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 220111200221 - 2⁶ = 220111200157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220111200196 and 220111200205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220111200227) 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, 36916040 + ... + 36922001.

It is an arithmetic number, because the mean of its divisors is an integer number (30125921136).

Almost surely, 2^220111200221 is an apocalyptic number.

It is an amenable number.

220111200221 is a deficient number, since it is larger than the sum of its proper divisors (20896168867).

220111200221 is a wasteful number, since it uses less digits than its factorization.

220111200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73838323.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220111200221 its reverse (122002111022), we get a palindrome (342113311243).

The spelling of 220111200221 in words is "two hundred twenty billion, one hundred eleven million, two hundred thousand, two hundred twenty-one".