210220222231321 has 8 divisors (see below), whose sum is σ = 210332018469888. Its totient is φ = 210108429030000.

The previous prime is 210220222231303. The next prime is 210220222231333. The reversal of 210220222231321 is 123132222022012.

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

It is a cyclic number.

It is not a de Polignac number, because 210220222231321 - 2³¹ = 210218074747673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210220222231381) 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, 145149096 + ... + 146590246.

It is an arithmetic number, because the mean of its divisors is an integer number (26291502308736).

Almost surely, 2^{210220222231321} is an apocalyptic number.

It is an amenable number.

210220222231321 is a deficient number, since it is larger than the sum of its proper divisors (111796238567).

210220222231321 is a wasteful number, since it uses less digits than its factorization.

210220222231321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518623.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 210220222231321 its reverse (123132222022012), we get a palindrome (333352444253333).

The spelling of 210220222231321 in words is "two hundred ten trillion, two hundred twenty billion, two hundred twenty-two million, two hundred thirty-one thousand, three hundred twenty-one".