102200105 has 16 divisors (see below), whose sum is σ = 143950080. Its totient is φ = 68185152.

The previous prime is 102200101. The next prime is 102200117. The reversal of 102200105 is 501002201.

It is not a de Polignac number, because 102200105 - 2² = 102200101 is a prime.

It is a super-2 number, since 2×102200105² = 20889722924022050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102200101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38165 + ... + 40754.

It is an arithmetic number, because the mean of its divisors is an integer number (8996880).

Almost surely, 2^102200105 is an apocalyptic number.

It is an amenable number.

102200105 is a deficient number, since it is larger than the sum of its proper divisors (41749975).

102200105 is an equidigital number, since it uses as much as digits as its factorization.

102200105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78968.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 102200105 is about 10109.4067580645. The cubic root of 102200105 is about 467.5382145356.

Adding to 102200105 its reverse (501002201), we get a palindrome (603202306).

The spelling of 102200105 in words is "one hundred two million, two hundred thousand, one hundred five".