221200102 has 8 divisors (see below), whose sum is σ = 332518176. Its totient is φ = 110360712.

The previous prime is 221200093. The next prime is 221200121. The reversal of 221200102 is 201002122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118513 + ... + 120364.

It is an arithmetic number, because the mean of its divisors is an integer number (41564772).

Almost surely, 2^221200102 is an apocalyptic number.

221200102 is a deficient number, since it is larger than the sum of its proper divisors (111318074).

221200102 is a wasteful number, since it uses less digits than its factorization.

221200102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239342.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 221200102 is about 14872.7973831422. The cubic root of 221200102 is about 604.7767789759.

Adding to 221200102 its reverse (201002122), we get a palindrome (422202224).

The spelling of 221200102 in words is "two hundred twenty-one million, two hundred thousand, one hundred two".