2001333022201 has 2 divisors, whose sum is σ = 2001333022202. Its totient is φ = 2001333022200.

The previous prime is 2001333022177. The next prime is 2001333022237. The reversal of 2001333022201 is 1022203331002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1725870748176 + 275462274025 = 1313724^2 + 524845^2 .

It is a cyclic number.

It is not a de Polignac number, because 2001333022201 - 2²¹ = 2001330925049 is a prime.

It is not a weakly prime, because it can be changed into another prime (2001333022261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000666511100 + 1000666511101.

It is an arithmetic number, because the mean of its divisors is an integer number (1000666511101).

Almost surely, 2^{2001333022201} is an apocalyptic number.

It is an amenable number.

2001333022201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001333022201 is an equidigital number, since it uses as much as digits as its factorization.

2001333022201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 2001333022201 its reverse (1022203331002), we get a palindrome (3023536353203).

The spelling of 2001333022201 in words is "two trillion, one billion, three hundred thirty-three million, twenty-two thousand, two hundred one".