212002110221 has 8 divisors (see below), whose sum is σ = 232018682688. Its totient is φ = 192109480000.

The previous prime is 212002110149. The next prime is 212002110289. The reversal of 212002110221 is 122011200212.

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 212002110221 - 2¹⁰ = 212002109197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212002110196 and 212002110205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212002110521) 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, 30981980 + ... + 30988821.

It is an arithmetic number, because the mean of its divisors is an integer number (29002335336).

Almost surely, 2^212002110221 is an apocalyptic number.

It is an amenable number.

212002110221 is a deficient number, since it is larger than the sum of its proper divisors (20016572467).

212002110221 is a wasteful number, since it uses less digits than its factorization.

212002110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61971123.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212002110221 its reverse (122011200212), we get a palindrome (334013310433).

It can be divided in two parts, 212002 and 110221, that added together give a palindrome (322223).

The spelling of 212002110221 in words is "two hundred twelve billion, two million, one hundred ten thousand, two hundred twenty-one".