220211002221 has 16 divisors (see below), whose sum is σ = 335802649728. Its totient is φ = 125743723200.

The previous prime is 220211002217. The next prime is 220211002237. The reversal of 220211002221 is 122200112022.

It is not a de Polignac number, because 220211002221 - 2² = 220211002217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220211002221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220211002201) 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, 3767610 + ... + 3825611.

It is an arithmetic number, because the mean of its divisors is an integer number (20987665608).

Almost surely, 2^220211002221 is an apocalyptic number.

220211002221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

220211002221 is a deficient number, since it is larger than the sum of its proper divisors (115591647507).

220211002221 is a wasteful number, since it uses less digits than its factorization.

220211002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7594612.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220211002221 its reverse (122200112022), we get a palindrome (342411114243).

The spelling of 220211002221 in words is "two hundred twenty billion, two hundred eleven million, two thousand, two hundred twenty-one".