220211201002221 has 96 divisors (see below), whose sum is σ = 380512268572800. Its totient is φ = 120953935065600.

The previous prime is 220211201002157. The next prime is 220211201002231. The reversal of 220211201002221 is 122200102112022.

It is a happy number.

220211201002221 is a `hidden beast` number, since 220 + 2 + 1 + 120 + 100 + 2 + 221 = 666.

It is not a de Polignac number, because 220211201002221 - 2⁶ = 220211201002157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220211201002194 and 220211201002203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220211201002231) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 40379355 + ... + 45507303.

It is an arithmetic number, because the mean of its divisors is an integer number (3963669464300).

Almost surely, 2^{220211201002221} is an apocalyptic number.

It is an amenable number.

220211201002221 is a deficient number, since it is larger than the sum of its proper divisors (160301067570579).

220211201002221 is a wasteful number, since it uses less digits than its factorization.

220211201002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5128587 (or 5128584 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 220211201002221 its reverse (122200102112022), we get a palindrome (342411303114243).

The spelling of 220211201002221 in words is "two hundred twenty trillion, two hundred eleven billion, two hundred one million, two thousand, two hundred twenty-one".