102200020100 has 36 divisors (see below), whose sum is σ = 221794530804. Its totient is φ = 40876231680.

The previous prime is 102200020081. The next prime is 102200020157. The reversal of 102200020100 is 1020002201.

It can be written as a sum of positive squares in 6 ways, for example, as 1650146884 + 100549873216 = 40622^2 + 317096^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1206332 + ... + 1288268.

It is an arithmetic number, because the mean of its divisors is an integer number (6160959189).

Almost surely, 2^102200020100 is an apocalyptic number.

102200020100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102200020100 is an abundant number, since it is smaller than the sum of its proper divisors (119594510704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102200020100 is a wasteful number, since it uses less digits than its factorization.

102200020100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94424 (or 94417 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 102200020100 its reverse (1020002201), we get a palindrome (103220022301).

The spelling of 102200020100 in words is "one hundred two billion, two hundred million, twenty thousand, one hundred".