102021022305 has 24 divisors (see below), whose sum is σ = 176845436352. Its totient is φ = 54408443424.

The previous prime is 102021022277. The next prime is 102021022307. The reversal of 102021022305 is 503220120201.

It is not a de Polignac number, because 102021022305 - 2⁵ = 102021022273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102021022307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1085602 + ... + 1175828.

It is an arithmetic number, because the mean of its divisors is an integer number (7368559848).

Almost surely, 2^102021022305 is an apocalyptic number.

102021022305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102021022305 is a deficient number, since it is larger than the sum of its proper divisors (74824414047).

102021022305 is a wasteful number, since it uses less digits than its factorization.

102021022305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115365 (or 115362 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 102021022305 its reverse (503220120201), we get a palindrome (605241142506).

The spelling of 102021022305 in words is "one hundred two billion, twenty-one million, twenty-two thousand, three hundred five".