221346513002 has 8 divisors (see below), whose sum is σ = 332031665700. Its totient is φ = 110669291104.

The previous prime is 221346512971. The next prime is 221346513043. The reversal of 221346513002 is 200315643122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 157211457001 + 64135056001 = 396499^2 + 253249^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1912427 + ... + 2024862.

Almost surely, 2^221346513002 is an apocalyptic number.

221346513002 is a deficient number, since it is larger than the sum of its proper divisors (110685152698).

221346513002 is a wasteful number, since it uses less digits than its factorization.

221346513002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3965400.

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 221346513002 in words is "two hundred twenty-one billion, three hundred forty-six million, five hundred thirteen thousand, two".