102213005 has 8 divisors (see below), whose sum is σ = 123192600. Its totient is φ = 81412416.

The previous prime is 102212987. The next prime is 102213011. The reversal of 102213005 is 500312201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 23020804 + 79192201 = 4798^2 + 8899^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102213005 - 2⁶ = 102212941 is a prime.

It is a super-2 number, since 2×102213005² = 20894996782260050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43490 + ... + 45779.

It is an arithmetic number, because the mean of its divisors is an integer number (15399075).

Almost surely, 2^102213005 is an apocalyptic number.

It is an amenable number.

102213005 is a deficient number, since it is larger than the sum of its proper divisors (20979595).

102213005 is an equidigital number, since it uses as much as digits as its factorization.

102213005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89503.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 102213005 is about 10110.0447575666. The cubic root of 102213005 is about 467.5578850608.

Adding to 102213005 its reverse (500312201), we get a palindrome (602525206).

The spelling of 102213005 in words is "one hundred two million, two hundred thirteen thousand, five".