10211212213 has 4 divisors (see below), whose sum is σ = 10316482540. Its totient is φ = 10105941888.

The previous prime is 10211212189. The next prime is 10211212217. The reversal of 10211212213 is 31221211201.

10211212213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6426747889 + 3784464324 = 80167^2 + 61518^2 .

It is a cyclic number.

It is not a de Polignac number, because 10211212213 - 2²¹ = 10209115061 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 (10211212217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52635018 + ... + 52635211.

It is an arithmetic number, because the mean of its divisors is an integer number (2579120635).

Almost surely, 2^10211212213 is an apocalyptic number.

It is an amenable number.

10211212213 is a deficient number, since it is larger than the sum of its proper divisors (105270327).

10211212213 is an equidigital number, since it uses as much as digits as its factorization.

10211212213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105270326.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 10211212213 its reverse (31221211201), we get a palindrome (41432423414).

The spelling of 10211212213 in words is "ten billion, two hundred eleven million, two hundred twelve thousand, two hundred thirteen".