102002021302 has 4 divisors (see below), whose sum is σ = 153003031956. Its totient is φ = 51001010650.

The previous prime is 102002021279. The next prime is 102002021311. The reversal of 102002021302 is 203120200201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 203120200201 = 245279 ⋅828119.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25500505324 + ... + 25500505327.

It is an arithmetic number, because the mean of its divisors is an integer number (38250757989).

Almost surely, 2^102002021302 is an apocalyptic number.

102002021302 is a deficient number, since it is larger than the sum of its proper divisors (51001010654).

102002021302 is an equidigital number, since it uses as much as digits as its factorization.

102002021302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51001010653.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 102002021302 its reverse (203120200201), we get a palindrome (305122221503).

The spelling of 102002021302 in words is "one hundred two billion, two million, twenty-one thousand, three hundred two".