102210243 has 16 divisors (see below), whose sum is σ = 142344960. Its totient is φ = 65170656.

The previous prime is 102210233. The next prime is 102210271. The reversal of 102210243 is 342012201.

It is not a de Polignac number, because 102210243 - 2⁵ = 102210211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102210223) 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, 1255 + ... + 14352.

It is an arithmetic number, because the mean of its divisors is an integer number (8896560).

Almost surely, 2^102210243 is an apocalyptic number.

102210243 is a deficient number, since it is larger than the sum of its proper divisors (40134717).

102210243 is a wasteful number, since it uses less digits than its factorization.

102210243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15706.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 102210243 is about 10109.9081598202. The cubic root of 102210243 is about 467.5536735729.

Adding to 102210243 its reverse (342012201), we get a palindrome (444222444).

It can be divided in two parts, 10 and 2210243, that added together give a triangular number (2210253 = T₂₁₀₂).

The spelling of 102210243 in words is "one hundred two million, two hundred ten thousand, two hundred forty-three".