102213213 has 16 divisors (see below), whose sum is σ = 138563520. Its totient is φ = 67008384.

The previous prime is 102213191. The next prime is 102213227. The reversal of 102213213 is 312312201.

It is a de Polignac number, because none of the positive numbers 2^k-102213213 is a prime.

It is a super-4 number, since 4×102213213⁴ (a number of 33 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102213192 and 102213201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102213263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122883 + ... + 123711.

It is an arithmetic number, because the mean of its divisors is an integer number (8660220).

Almost surely, 2^102213213 is an apocalyptic number.

It is an amenable number.

102213213 is a deficient number, since it is larger than the sum of its proper divisors (36350307).

102213213 is an equidigital number, since it uses as much as digits as its factorization.

102213213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 102213213 is about 10110.0550443605. The cubic root of 102213213 is about 467.5582022154.

Adding to 102213213 its reverse (312312201), we get a palindrome (414525414).

The spelling of 102213213 in words is "one hundred two million, two hundred thirteen thousand, two hundred thirteen".