102303221222 has 4 divisors (see below), whose sum is σ = 153454831836. Its totient is φ = 51151610610.

The previous prime is 102303221219. The next prime is 102303221249. The reversal of 102303221222 is 222122303201.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 102303221194 and 102303221203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25575805304 + ... + 25575805307.

It is an arithmetic number, because the mean of its divisors is an integer number (38363707959).

Almost surely, 2^102303221222 is an apocalyptic number.

102303221222 is a deficient number, since it is larger than the sum of its proper divisors (51151610614).

102303221222 is an equidigital number, since it uses as much as digits as its factorization.

102303221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51151610613.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 102303221222 its reverse (222122303201), we get a palindrome (324425524423).

The spelling of 102303221222 in words is "one hundred two billion, three hundred three million, two hundred twenty-one thousand, two hundred twenty-two".