10211311213 has 4 divisors (see below), whose sum is σ = 10220936508. Its totient is φ = 10201685920.

The previous prime is 10211311193. The next prime is 10211311223. The reversal of 10211311213 is 31211311201.

It is a happy number.

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 6114927204 + 4096384009 = 78198^2 + 64003^2 .

It is a cyclic number.

It is not a de Polignac number, because 10211311213 - 2⁹ = 10211310701 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 (10211311223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4811056 + ... + 4813177.

It is an arithmetic number, because the mean of its divisors is an integer number (2555234127).

Almost surely, 2^10211311213 is an apocalyptic number.

It is an amenable number.

10211311213 is a deficient number, since it is larger than the sum of its proper divisors (9625295).

10211311213 is an equidigital number, since it uses as much as digits as its factorization.

10211311213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9625294.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 10211311213 its reverse (31211311201), we get a palindrome (41422622414).

The spelling of 10211311213 in words is "ten billion, two hundred eleven million, three hundred eleven thousand, two hundred thirteen".