202221001221211 has 8 divisors (see below), whose sum is σ = 231110274119904. Its totient is φ = 173331867932160.

The previous prime is 202221001221133. The next prime is 202221001221233. The reversal of 202221001221211 is 112122100122202.

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

It is a de Polignac number, because none of the positive numbers 2^k-202221001221211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202221001221251) 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, 31779910 + ... + 37608571.

It is an arithmetic number, because the mean of its divisors is an integer number (28888784264988).

Almost surely, 2^{202221001221211} is an apocalyptic number.

202221001221211 is a deficient number, since it is larger than the sum of its proper divisors (28889272898693).

202221001221211 is an equidigital number, since it uses as much as digits as its factorization.

202221001221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69804821.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 202221001221211 its reverse (112122100122202), we get a palindrome (314343101343413).

The spelling of 202221001221211 in words is "two hundred two trillion, two hundred twenty-one billion, one million, two hundred twenty-one thousand, two hundred eleven".