102213043 has 4 divisors (see below), whose sum is σ = 102244120. Its totient is φ = 102181968.

The previous prime is 102213037. The next prime is 102213049. The reversal of 102213043 is 340312201.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (102213037) and next prime (102213049).

It is a cyclic number.

It is not a de Polignac number, because 102213043 - 2⁵ = 102213011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102213049) 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, 9930 + ... + 17407.

It is an arithmetic number, because the mean of its divisors is an integer number (25561030).

Almost surely, 2^102213043 is an apocalyptic number.

102213043 is a deficient number, since it is larger than the sum of its proper divisors (31077).

102213043 is an equidigital number, since it uses as much as digits as its factorization.

102213043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31076.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 102213043 is about 10110.0466368855. The cubic root of 102213043 is about 467.5579430026.

Adding to 102213043 its reverse (340312201), we get a palindrome (442525244).

The spelling of 102213043 in words is "one hundred two million, two hundred thirteen thousand, forty-three".