210022100213 has 8 divisors (see below), whose sum is σ = 222388386840. Its totient is φ = 197657152000.

The previous prime is 210022100207. The next prime is 210022100237. The reversal of 210022100213 is 312001220012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 30922167409 + 179099932804 = 175847^2 + 423202^2 .

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 210022100213 - 2⁸ = 210022099957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210022100273) 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, 2078 + ... + 648111.

It is an arithmetic number, because the mean of its divisors is an integer number (27798548355).

Almost surely, 2^210022100213 is an apocalyptic number.

It is an amenable number.

210022100213 is a deficient number, since it is larger than the sum of its proper divisors (12366286627).

210022100213 is a wasteful number, since it uses less digits than its factorization.

210022100213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669207.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 210022100213 its reverse (312001220012), we get a palindrome (522023320225).

The spelling of 210022100213 in words is "two hundred ten billion, twenty-two million, one hundred thousand, two hundred thirteen".