202221221212201 has 4 divisors (see below), whose sum is σ = 202385495154304. Its totient is φ = 202056947270100.

The previous prime is 202221221212177. The next prime is 202221221212249. The reversal of 202221221212201 is 102212122122202.

202221221212201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 202221221212201 - 2⁴⁷ = 61483732856873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202221221912201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82136969205 + ... + 82136971666.

It is an arithmetic number, because the mean of its divisors is an integer number (50596373788576).

Almost surely, 2^{202221221212201} is an apocalyptic number.

It is an amenable number.

202221221212201 is a deficient number, since it is larger than the sum of its proper divisors (164273942103).

202221221212201 is a wasteful number, since it uses less digits than its factorization.

202221221212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164273942102.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 202221221212201 its reverse (102212122122202), we get a palindrome (304433343334403).

The spelling of 202221221212201 in words is "two hundred two trillion, two hundred twenty-one billion, two hundred twenty-one million, two hundred twelve thousand, two hundred one".