210220121223321 has 8 divisors (see below), whose sum is σ = 305774721779424. Its totient is φ = 127406134074720.

The previous prime is 210220121223247. The next prime is 210220121223331. The reversal of 210220121223321 is 123322121022012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 210220121223321 - 2²³ = 210220112834713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210220121223291 and 210220121223300.

It is not an unprimeable number, because it can be changed into a prime (210220121223331) 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, 3185153351836 + ... + 3185153351901.

It is an arithmetic number, because the mean of its divisors is an integer number (38221840222428).

Almost surely, 2^{210220121223321} is an apocalyptic number.

It is an amenable number.

210220121223321 is a deficient number, since it is larger than the sum of its proper divisors (95554600556103).

210220121223321 is a wasteful number, since it uses less digits than its factorization.

210220121223321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6370306703751.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 210220121223321 its reverse (123322121022012), we get a palindrome (333542242245333).

The spelling of 210220121223321 in words is "two hundred ten trillion, two hundred twenty billion, one hundred twenty-one million, two hundred twenty-three thousand, three hundred twenty-one".