102210056 has 16 divisors (see below), whose sum is σ = 206385900. Its totient is φ = 47173824.

The previous prime is 102210049. The next prime is 102210067. The reversal of 102210056 is 650012201.

It can be written as a sum of positive squares in 2 ways, for example, as 101808100 + 401956 = 10090^2 + 634^2 .

It is a super-3 number, since 3×102210056³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491291 + ... + 491498.

Almost surely, 2^102210056 is an apocalyptic number.

It is an amenable number.

102210056 is an abundant number, since it is smaller than the sum of its proper divisors (104175844).

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

102210056 is a wasteful number, since it uses less digits than its factorization.

102210056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982808 (or 982804 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 102210056 is about 10109.8989114630. The cubic root of 102210056 is about 467.5533884332.

Adding to 102210056 its reverse (650012201), we get a palindrome (752222257).

The spelling of 102210056 in words is "one hundred two million, two hundred ten thousand, fifty-six".