102102221200202 has 8 divisors (see below), whose sum is σ = 153332040474756. Its totient is φ = 50991541041952.

The previous prime is 102102221200201. The next prime is 102102221200229. The reversal of 102102221200202 is 202002122201201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 93097006445041 + 9005214755161 = 9648679^2 + 3000869^2 .

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

It is not an unprimeable number, because it can be changed into a prime (102102221200201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29784776933 + ... + 29784780360.

Almost surely, 2^{102102221200202} is an apocalyptic number.

102102221200202 is a deficient number, since it is larger than the sum of its proper divisors (51229819274554).

102102221200202 is an equidigital number, since it uses as much as digits as its factorization.

102102221200202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59569558152.

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

Adding to 102102221200202 its reverse (202002122201201), we get a palindrome (304104343401403).

The spelling of 102102221200202 in words is "one hundred two trillion, one hundred two billion, two hundred twenty-one million, two hundred thousand, two hundred two".