10111213 has 4 divisors (see below), whose sum is σ = 11555680. Its totient is φ = 8666748.

The previous prime is 10111207. The next prime is 10111229. The reversal of 10111213 is 31211101.

10111213 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31211101 = 359 ⋅86939.

It is a cyclic number.

It is not a de Polignac number, because 10111213 - 2⁹ = 10110701 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10111213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111253) 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, 722223 + ... + 722236.

It is an arithmetic number, because the mean of its divisors is an integer number (2888920).

Almost surely, 2^10111213 is an apocalyptic number.

It is an amenable number.

10111213 is a deficient number, since it is larger than the sum of its proper divisors (1444467).

10111213 is an equidigital number, since it uses as much as digits as its factorization.

10111213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444466.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 10111213 is about 3179.8133593027. The cubic root of 10111213 is about 216.2391968942.

Adding to 10111213 its reverse (31211101), we get a palindrome (41322314).

The spelling of 10111213 in words is "ten million, one hundred eleven thousand, two hundred thirteen".