10212210321 has 8 divisors (see below), whose sum is σ = 13714239840. Its totient is φ = 6759160512.

The previous prime is 10212210287. The next prime is 10212210329. The reversal of 10212210321 is 12301221201.

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

It is not a de Polignac number, because 10212210321 - 2⁶ = 10212210257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10212210321.

It is not an unprimeable number, because it can be changed into a prime (10212210329) 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, 12244440 + ... + 12245273.

It is an arithmetic number, because the mean of its divisors is an integer number (1714279980).

Almost surely, 2^10212210321 is an apocalyptic number.

It is an amenable number.

10212210321 is a deficient number, since it is larger than the sum of its proper divisors (3502029519).

10212210321 is a wasteful number, since it uses less digits than its factorization.

10212210321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24489855.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10212210321 its reverse (12301221201), we get a palindrome (22513431522).

The spelling of 10212210321 in words is "ten billion, two hundred twelve million, two hundred ten thousand, three hundred twenty-one".