102020321222 has 16 divisors (see below), whose sum is σ = 163546601040. Its totient is φ = 47560873728.

The previous prime is 102020321189. The next prime is 102020321237. The reversal of 102020321222 is 222123020201.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 102020321222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14017847 + ... + 14025122.

It is an arithmetic number, because the mean of its divisors is an integer number (10221662565).

Almost surely, 2^102020321222 is an apocalyptic number.

102020321222 is a deficient number, since it is larger than the sum of its proper divisors (61526279818).

102020321222 is a wasteful number, since it uses less digits than its factorization.

102020321222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28043095.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 102020321222 its reverse (222123020201), we get a palindrome (324143341423).

The spelling of 102020321222 in words is "one hundred two billion, twenty million, three hundred twenty-one thousand, two hundred twenty-two".