102200101 has 2 divisors, whose sum is σ = 102200102.
Its totient is φ = 102200100.
The previous prime is 102200093. The next prime is 102200117. The reversal of 102200101 is 101002201.
Adding to 102200101 its reverse (101002201), we get a palindrome (203202302).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 99980001 + 2220100 = 9999^2 + 1490^2
It is a cyclic number.
It is not a de Polignac number, because 102200101 - 23 = 102200093 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (102200191) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51100050 + 51100051.
It is an arithmetic number, because the mean of its divisors is an integer number (51100051).
Almost surely, 2102200101 is an apocalyptic number.
It is an amenable number.
102200101 is a deficient number, since it is larger than the sum of its proper divisors (1).
102200101 is an equidigital number, since it uses as much as digits as its factorization.
102200101 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4, while the sum is 7.
The square root of 102200101 is about 10109.4065602289.
The cubic root of 102200101 is about 467.5382084360.
The spelling of 102200101 in words is "one hundred two million, two hundred thousand, one hundred one".