210002210220121 has 8 divisors (see below), whose sum is σ = 233967646203264. Its totient is φ = 186849161897520.

The previous prime is 210002210220119. The next prime is 210002210220167. The reversal of 210002210220121 is 121022012200012.

It is a happy number.

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 210002210220121 - 2¹ = 210002210220119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210002210220095 and 210002210220104.

It is not an unprimeable number, because it can be changed into a prime (210002210220181) 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, 203096914590 + ... + 203096915623.

It is an arithmetic number, because the mean of its divisors is an integer number (29245955775408).

Almost surely, 2^{210002210220121} is an apocalyptic number.

It is an amenable number.

210002210220121 is a deficient number, since it is larger than the sum of its proper divisors (23965435983143).

210002210220121 is a wasteful number, since it uses less digits than its factorization.

210002210220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406193830271.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210002210220121 its reverse (121022012200012), we get a palindrome (331024222420133).

The spelling of 210002210220121 in words is "two hundred ten trillion, two billion, two hundred ten million, two hundred twenty thousand, one hundred twenty-one".