202220221221201 has 4 divisors (see below), whose sum is σ = 269626961628272. Its totient is φ = 134813480814132.

The previous prime is 202220221221199. The next prime is 202220221221233. The reversal of 202220221221201 is 102122122022202.

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 not a de Polignac number, because 202220221221201 - 2¹ = 202220221221199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202220221221001) 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, 33703370203531 + ... + 33703370203536.

It is an arithmetic number, because the mean of its divisors is an integer number (67406740407068).

Almost surely, 2^{202220221221201} is an apocalyptic number.

It is an amenable number.

202220221221201 is a deficient number, since it is larger than the sum of its proper divisors (67406740407071).

202220221221201 is an equidigital number, since it uses as much as digits as its factorization.

202220221221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67406740407070.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 202220221221201 its reverse (102122122022202), we get a palindrome (304342343243403).

The spelling of 202220221221201 in words is "two hundred two trillion, two hundred twenty billion, two hundred twenty-one million, two hundred twenty-one thousand, two hundred one".