102102220221002 has 16 divisors (see below), whose sum is σ = 153544894488000. Its totient is φ = 50920739706720.

The previous prime is 102102220220989. The next prime is 102102220221091. The reversal of 102102220221002 is 200122022201201.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36392024 + ... + 39097107.

It is an arithmetic number, because the mean of its divisors is an integer number (9596555905500).

Almost surely, 2^{102102220221002} is an apocalyptic number.

102102220221002 is a deficient number, since it is larger than the sum of its proper divisors (51442674266998).

102102220221002 is a wasteful number, since it uses less digits than its factorization.

102102220221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75490861.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 102102220221002 its reverse (200122022201201), we get a palindrome (302224242422203).

The spelling of 102102220221002 in words is "one hundred two trillion, one hundred two billion, two hundred twenty million, two hundred twenty-one thousand, two".