202201121020201 has 8 divisors (see below), whose sum is σ = 205516293630984. Its totient is φ = 198885961317120.

The previous prime is 202201121020181. The next prime is 202201121020229. The reversal of 202201121020201 is 102020121102202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18579108501801 + 183622012518400 = 4310349^2 + 13550720^2 .

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 202201121020201 - 2²⁷ = 202200986802473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202201122020201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31377495 + ... + 37268611.

It is an arithmetic number, because the mean of its divisors is an integer number (25689536703873).

Almost surely, 2^{202201121020201} is an apocalyptic number.

It is an amenable number.

202201121020201 is a deficient number, since it is larger than the sum of its proper divisors (3315172610783).

202201121020201 is an equidigital number, since it uses as much as digits as its factorization.

202201121020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6453851.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202201121020201 its reverse (102020121102202), we get a palindrome (304221242122403).

The spelling of 202201121020201 in words is "two hundred two trillion, two hundred one billion, one hundred twenty-one million, twenty thousand, two hundred one".