202001221201 has 8 divisors (see below), whose sum is σ = 217679875560. Its totient is φ = 186342580992.

The previous prime is 202001221189. The next prime is 202001221207. The reversal of 202001221201 is 102122100202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 578883600 + 201422337601 = 24060^2 + 448801^2 .

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 202001221201 - 2¹³ = 202001213009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202001221207) 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, 4982566 + ... + 5022943.

It is an arithmetic number, because the mean of its divisors is an integer number (27209984445).

Almost surely, 2^202001221201 is an apocalyptic number.

It is an amenable number.

202001221201 is a deficient number, since it is larger than the sum of its proper divisors (15678654359).

202001221201 is a wasteful number, since it uses less digits than its factorization.

202001221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10007075.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 202001221201 its reverse (102122100202), we get a palindrome (304123321403).

The spelling of 202001221201 in words is "two hundred two billion, one million, two hundred twenty-one thousand, two hundred one".