2201210123321 has 24 divisors (see below), whose sum is σ = 2473984114560. Its totient is φ = 1956151107680.

The previous prime is 2201210123317. The next prime is 2201210123323. The reversal of 2201210123321 is 1233210121022.

It is not a de Polignac number, because 2201210123321 - 2² = 2201210123317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2201210123293 and 2201210123302.

It is not an unprimeable number, because it can be changed into a prime (2201210123323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4469135 + ... + 4937163.

It is an arithmetic number, because the mean of its divisors is an integer number (103082671440).

Almost surely, 2^{2201210123321} is an apocalyptic number.

It is an amenable number.

2201210123321 is a deficient number, since it is larger than the sum of its proper divisors (272773991239).

2201210123321 is a wasteful number, since it uses less digits than its factorization.

2201210123321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468925 (or 468914 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2201210123321 its reverse (1233210121022), we get a palindrome (3434420244343).

The spelling of 2201210123321 in words is "two trillion, two hundred one billion, two hundred ten million, one hundred twenty-three thousand, three hundred twenty-one".