220224403121 has 16 divisors (see below), whose sum is σ = 237451357440. Its totient is φ = 203571098640.

The previous prime is 220224403051. The next prime is 220224403123. The reversal of 220224403121 is 121304422022.

It is a cyclic number.

It is not a de Polignac number, because 220224403121 - 2¹⁴ = 220224386737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220224403123) 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, 654506 + ... + 932108.

It is an arithmetic number, because the mean of its divisors is an integer number (14840709840).

Almost surely, 2^220224403121 is an apocalyptic number.

It is an amenable number.

220224403121 is a deficient number, since it is larger than the sum of its proper divisors (17226954319).

220224403121 is a wasteful number, since it uses less digits than its factorization.

220224403121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278636.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 220224403121 its reverse (121304422022), we get a palindrome (341528825143).

The spelling of 220224403121 in words is "two hundred twenty billion, two hundred twenty-four million, four hundred three thousand, one hundred twenty-one".