105102213 has 4 divisors (see below), whose sum is σ = 140136288. Its totient is φ = 70068140.

The previous prime is 105102169. The next prime is 105102227. The reversal of 105102213 is 312201501.

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.

It is a cyclic number.

It is not a de Polignac number, because 105102213 - 2¹⁰ = 105101189 is a prime.

It is a super-2 number, since 2×105102213² = 22092950354994738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105102192 and 105102201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105102113) 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, 17517033 + ... + 17517038.

It is an arithmetic number, because the mean of its divisors is an integer number (35034072).

Almost surely, 2^105102213 is an apocalyptic number.

It is an amenable number.

105102213 is a deficient number, since it is larger than the sum of its proper divisors (35034075).

105102213 is an equidigital number, since it uses as much as digits as its factorization.

105102213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35034074.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 105102213 is about 10251.9370364824. The cubic root of 105102213 is about 471.9224308155.

Adding to 105102213 its reverse (312201501), we get a palindrome (417303714).

The spelling of 105102213 in words is "one hundred five million, one hundred two thousand, two hundred thirteen".