10212001210221 has 8 divisors (see below), whose sum is σ = 13616050453440. Its totient is φ = 6807976386912.

The previous prime is 10212001210207. The next prime is 10212001210241. The reversal of 10212001210221 is 12201210021201.

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

It is not a de Polignac number, because 10212001210221 - 2⁵ = 10212001210189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10212001210221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212001210241) 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, 5105856 + ... + 6818633.

It is an arithmetic number, because the mean of its divisors is an integer number (1702006306680).

Almost surely, 2^{10212001210221} is an apocalyptic number.

It is an amenable number.

10212001210221 is a deficient number, since it is larger than the sum of its proper divisors (3404049243219).

10212001210221 is a wasteful number, since it uses less digits than its factorization.

10212001210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12209955.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10212001210221 its reverse (12201210021201), we get a palindrome (22413211231422).

The spelling of 10212001210221 in words is "ten trillion, two hundred twelve billion, one million, two hundred ten thousand, two hundred twenty-one".