102221196 has 48 divisors (see below), whose sum is σ = 297373440. Its totient is φ = 26550720.

The previous prime is 102221183. The next prime is 102221209. The reversal of 102221196 is 691122201.

102221196 = 59² + 60² + ... + 674².

It is an interprime number because it is at equal distance from previous prime (102221183) and next prime (102221209).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 54391 + ... + 56238.

It is an arithmetic number, because the mean of its divisors is an integer number (6195280).

Almost surely, 2^102221196 is an apocalyptic number.

It is an amenable number.

102221196 is an abundant number, since it is smaller than the sum of its proper divisors (195152244).

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

102221196 is a wasteful number, since it uses less digits than its factorization.

102221196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110654 (or 110652 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 102221196 is about 10110.4498416243. The cubic root of 102221196 is about 467.5703742228.

Adding to 102221196 its reverse (691122201), we get a palindrome (793343397).

The spelling of 102221196 in words is "one hundred two million, two hundred twenty-one thousand, one hundred ninety-six".