102200320202 has 4 divisors (see below), whose sum is σ = 153300480306. Its totient is φ = 51100160100.

The previous prime is 102200320109. The next prime is 102200320241. The reversal of 102200320202 is 202023002201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 202023002201 = 521 ⋅387760081.

It can be written as a sum of positive squares in only one way, i.e., 97455728041 + 4744592161 = 312179^2 + 68881^2 .

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 as a sum of consecutive naturals, namely, 25550080049 + ... + 25550080052.

Almost surely, 2^102200320202 is an apocalyptic number.

102200320202 is a deficient number, since it is larger than the sum of its proper divisors (51100160104).

102200320202 is an equidigital number, since it uses as much as digits as its factorization.

102200320202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51100160103.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 102200320202 its reverse (202023002201), we get a palindrome (304223322403).

The spelling of 102200320202 in words is "one hundred two billion, two hundred million, three hundred twenty thousand, two hundred two".