221001202 has 8 divisors (see below), whose sum is σ = 337756716. Its totient is φ = 108415632.

The previous prime is 221001167. The next prime is 221001223. The reversal of 221001202 is 202100122.

221001202 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 189090001 + 31911201 = 13751^2 + 5649^2 .

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

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, 1042353 + ... + 1042564.

Almost surely, 2^221001202 is an apocalyptic number.

221001202 is a deficient number, since it is larger than the sum of its proper divisors (116755514).

221001202 is a wasteful number, since it uses less digits than its factorization.

221001202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084972.

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

The square root of 221001202 is about 14866.1091748985. The cubic root of 221001202 is about 604.5954557115.

Adding to 221001202 its reverse (202100122), we get a palindrome (423101324).

It can be divided in two parts, 22100120 and 2, that added together give a palindrome (22100122).

The spelling of 221001202 in words is "two hundred twenty-one million, one thousand, two hundred two".