260221100 has 36 divisors (see below), whose sum is σ = 565458600. Its totient is φ = 103944960.

The previous prime is 260221097. The next prime is 260221109. The reversal of 260221100 is 1122062.

260221100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (260221109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99611 + ... + 102189.

Almost surely, 2^260221100 is an apocalyptic number.

260221100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260221100 is an abundant number, since it is smaller than the sum of its proper divisors (305237500).

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

260221100 is a wasteful number, since it uses less digits than its factorization.

260221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3602 (or 3595 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 260221100 is about 16131.3700596075. The cubic root of 260221100 is about 638.4312980753.

Adding to 260221100 its reverse (1122062), we get a palindrome (261343162).

The spelling of 260221100 in words is "two hundred sixty million, two hundred twenty-one thousand, one hundred".