1002221102 has 8 divisors (see below), whose sum is σ = 1505478312. Its totient is φ = 500395000.

The previous prime is 1002221089. The next prime is 1002221119. The reversal of 1002221102 is 2011222001.

It is a happy number.

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

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 3 ways as a sum of consecutive naturals, for example, 356024 + ... + 358827.

It is an arithmetic number, because the mean of its divisors is an integer number (188184789).

Almost surely, 2^1002221102 is an apocalyptic number.

1002221102 is a deficient number, since it is larger than the sum of its proper divisors (503257210).

1002221102 is an equidigital number, since it uses as much as digits as its factorization.

1002221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715554.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1002221102 is about 31657.8758289308. The cubic root of 1002221102 is about 1000.7398198649.

Adding to 1002221102 its reverse (2011222001), we get a palindrome (3013443103).

The spelling of 1002221102 in words is "one billion, two million, two hundred twenty-one thousand, one hundred two".