10213111 has 4 divisors (see below), whose sum is σ = 10229224. Its totient is φ = 10197000.

The previous prime is 10213109. The next prime is 10213129. The reversal of 10213111 is 11131201.

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

It is a cyclic number.

It is not a de Polignac number, because 10213111 - 2¹ = 10213109 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 (10210111) 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, 7065 + ... + 8386.

It is an arithmetic number, because the mean of its divisors is an integer number (2557306).

Almost surely, 2^10213111 is an apocalyptic number.

10213111 is a deficient number, since it is larger than the sum of its proper divisors (16113).

10213111 is an equidigital number, since it uses as much as digits as its factorization.

10213111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16112.

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

The square root of 10213111 is about 3195.7958320268. The cubic root of 10213111 is about 216.9631698627.

Adding to 10213111 its reverse (11131201), we get a palindrome (21344312).

The spelling of 10213111 in words is "ten million, two hundred thirteen thousand, one hundred eleven".