221200212211202 has 16 divisors (see below), whose sum is σ = 382954822840512. Its totient is φ = 93861476185200.

The previous prime is 221200212211201. The next prime is 221200212211241. The reversal of 221200212211202 is 202112212002122.

It is not an unprimeable number, because it can be changed into a prime (221200212211201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78217895408 + ... + 78217898235.

It is an arithmetic number, because the mean of its divisors is an integer number (23934676427532).

Almost surely, 2^{221200212211202} is an apocalyptic number.

221200212211202 is a deficient number, since it is larger than the sum of its proper divisors (161754610629310).

221200212211202 is a wasteful number, since it uses less digits than its factorization.

221200212211202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156435793753.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 221200212211202 its reverse (202112212002122), we get a palindrome (423312424213324).

The spelling of 221200212211202 in words is "two hundred twenty-one trillion, two hundred billion, two hundred twelve million, two hundred eleven thousand, two hundred two".