2001101022201 has 16 divisors (see below), whose sum is σ = 2677820573120. Its totient is φ = 1329225318720.

The previous prime is 2001101022199. The next prime is 2001101022211. The reversal of 2001101022201 is 1022201011002.

It is not a de Polignac number, because 2001101022201 - 2¹ = 2001101022199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001101022211) 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, 9153711 + ... + 9369771.

It is an arithmetic number, because the mean of its divisors is an integer number (167363785820).

Almost surely, 2^{2001101022201} is an apocalyptic number.

It is an amenable number.

2001101022201 is a deficient number, since it is larger than the sum of its proper divisors (676719550919).

2001101022201 is a wasteful number, since it uses less digits than its factorization.

2001101022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227256.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2001101022201 its reverse (1022201011002), we get a palindrome (3023302033203).

The spelling of 2001101022201 in words is "two trillion, one billion, one hundred one million, twenty-two thousand, two hundred one".