210123330221321 has 8 divisors (see below), whose sum is σ = 229225917053088. Its totient is φ = 191020821040000.

The previous prime is 210123330221309. The next prime is 210123330221377. The reversal of 210123330221321 is 123122033321012.

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 210123330221321 - 2⁴² = 205725283710217 is a prime.

It is a super-2 number, since 2×210123330221321² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210123330211321) 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, 13680995 + ... + 24645816.

It is an arithmetic number, because the mean of its divisors is an integer number (28653239631636).

Almost surely, 2^{210123330221321} is an apocalyptic number.

It is an amenable number.

210123330221321 is a deficient number, since it is larger than the sum of its proper divisors (19102586831767).

210123330221321 is a wasteful number, since it uses less digits than its factorization.

210123330221321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38825223.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 210123330221321 its reverse (123122033321012), we get a palindrome (333245363542333).

The spelling of 210123330221321 in words is "two hundred ten trillion, one hundred twenty-three billion, three hundred thirty million, two hundred twenty-one thousand, three hundred twenty-one".