221220202112002 has 8 divisors (see below), whose sum is σ = 331830626758416. Its totient is φ = 110609993192532.

The previous prime is 221220202111973. The next prime is 221220202112003. The reversal of 221220202112002 is 200211202022122.

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

It is not an unprimeable number, because it can be changed into a prime (221220202112003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51343228 + ... + 55484839.

It is an arithmetic number, because the mean of its divisors is an integer number (41478828344802).

Almost surely, 2^{221220202112002} is an apocalyptic number.

221220202112002 is a deficient number, since it is larger than the sum of its proper divisors (110610424646414).

221220202112002 is a wasteful number, since it uses less digits than its factorization.

221220202112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107863472.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 221220202112002 its reverse (200211202022122), we get a palindrome (421431404134124).

The spelling of 221220202112002 in words is "two hundred twenty-one trillion, two hundred twenty billion, two hundred two million, one hundred twelve thousand, two".