221201220002 has 8 divisors (see below), whose sum is σ = 379202091456. Its totient is φ = 94800522852.

The previous prime is 221201219983. The next prime is 221201220047. The reversal of 221201220002 is 200022102122.

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

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 15800087143 = 221201220002 / (2 + 2 + 1 + 2 + 0 + 1 + 2 + 2 + 0 + 0 + 0 + 2).

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, 7900043558 + ... + 7900043585.

It is an arithmetic number, because the mean of its divisors is an integer number (47400261432).

Almost surely, 2^221201220002 is an apocalyptic number.

221201220002 is a deficient number, since it is larger than the sum of its proper divisors (158000871454).

221201220002 is a wasteful number, since it uses less digits than its factorization.

221201220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15800087152.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 221201220002 its reverse (200022102122), we get a palindrome (421223322124).

The spelling of 221201220002 in words is "two hundred twenty-one billion, two hundred one million, two hundred twenty thousand, two".