10201220321001 has 16 divisors (see below), whose sum is σ = 13833951875520. Its totient is φ = 6684680969280.

The previous prime is 10201220320999. The next prime is 10201220321003. The reversal of 10201220321001 is 10012302210201.

It is an interprime number because it is at equal distance from previous prime (10201220320999) and next prime (10201220321003).

It is not a de Polignac number, because 10201220321001 - 2¹ = 10201220320999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10201220321003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2352490 + ... + 5092803.

It is an arithmetic number, because the mean of its divisors is an integer number (864621992220).

Almost surely, 2^{10201220321001} is an apocalyptic number.

It is an amenable number.

10201220321001 is a deficient number, since it is larger than the sum of its proper divisors (3632731554519).

10201220321001 is an equidigital number, since it uses as much as digits as its factorization.

10201220321001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7453096.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10201220321001 its reverse (10012302210201), we get a palindrome (20213522531202).

The spelling of 10201220321001 in words is "ten trillion, two hundred one billion, two hundred twenty million, three hundred twenty-one thousand, one".