220200201200221 has 16 divisors (see below), whose sum is σ = 240351545855808. Its totient is φ = 200071078099200.

The previous prime is 220200201200201. The next prime is 220200201200249. The reversal of 220200201200221 is 122002102002022.

It is a de Polignac number, because none of the positive numbers 2^k-220200201200221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220200201200195 and 220200201200204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220200201200201) 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, 142910206 + ... + 144442816.

It is an arithmetic number, because the mean of its divisors is an integer number (15021971615988).

Almost surely, 2^{220200201200221} is an apocalyptic number.

It is an amenable number.

220200201200221 is a deficient number, since it is larger than the sum of its proper divisors (20151344655587).

220200201200221 is a wasteful number, since it uses less digits than its factorization.

220200201200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539852.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 220200201200221 its reverse (122002102002022), we get a palindrome (342202303202243).

The spelling of 220200201200221 in words is "two hundred twenty trillion, two hundred billion, two hundred one million, two hundred thousand, two hundred twenty-one".