102102021302043 has 8 divisors (see below), whose sum is σ = 155584032460288. Its totient is φ = 58344012172584.

The previous prime is 102102021301829. The next prime is 102102021302053. The reversal of 102102021302043 is 340203120201201.

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

It is not a de Polignac number, because 102102021302043 - 2²¹ = 102102019204891 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 4862001014383 = 102102021302043 / (1 + 0 + 2 + 1 + 0 + 2 + 0 + 2 + 1 + 3 + 0 + 2 + 0 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102102021302053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2431000507171 + ... + 2431000507212.

It is an arithmetic number, because the mean of its divisors is an integer number (19448004057536).

Almost surely, 2^{102102021302043} is an apocalyptic number.

102102021302043 is a deficient number, since it is larger than the sum of its proper divisors (53482011158245).

102102021302043 is an equidigital number, since it uses as much as digits as its factorization.

102102021302043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4862001014393.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 102102021302043 its reverse (340203120201201), we get a palindrome (442305141503244).

The spelling of 102102021302043 in words is "one hundred two trillion, one hundred two billion, twenty-one million, three hundred two thousand, forty-three".