202221012110221 has 8 divisors (see below), whose sum is σ = 218212900388000. Its totient is φ = 186291470376432.

The previous prime is 202221012110179. The next prime is 202221012110309. The reversal of 202221012110221 is 122011210122202.

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

It is a cyclic number.

It is not a de Polignac number, because 202221012110221 - 2⁹ = 202221012109709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202221012111221) 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, 15586629255 + ... + 15586642228.

It is an arithmetic number, because the mean of its divisors is an integer number (27276612548500).

Almost surely, 2^{202221012110221} is an apocalyptic number.

It is an amenable number.

202221012110221 is a deficient number, since it is larger than the sum of its proper divisors (15991888277779).

202221012110221 is a wasteful number, since it uses less digits than its factorization.

202221012110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31173271995.

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

Adding to 202221012110221 its reverse (122011210122202), we get a palindrome (324232222232423).

The spelling of 202221012110221 in words is "two hundred two trillion, two hundred twenty-one billion, twelve million, one hundred ten thousand, two hundred twenty-one".