210222103231213 has 8 divisors (see below), whose sum is σ = 215579300320440. Its totient is φ = 204875850366720.

The previous prime is 210222103231207. The next prime is 210222103231277. The reversal of 210222103231213 is 312132301222012.

It can be written as a sum of positive squares in 4 ways, for example, as 8778640117129 + 201443463114084 = 2962877^2 + 14193078^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210222103231213 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 (210222103231913) 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, 2736017278 + ... + 2736094111.

It is an arithmetic number, because the mean of its divisors is an integer number (26947412540055).

Almost surely, 2^{210222103231213} is an apocalyptic number.

It is an amenable number.

210222103231213 is a deficient number, since it is larger than the sum of its proper divisors (5357197089227).

210222103231213 is an equidigital number, since it uses as much as digits as its factorization.

210222103231213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5472112367.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 210222103231213 its reverse (312132301222012), we get a palindrome (522354404453225).

The spelling of 210222103231213 in words is "two hundred ten trillion, two hundred twenty-two billion, one hundred three million, two hundred thirty-one thousand, two hundred thirteen".