2011202221201 has 2 divisors, whose sum is σ = 2011202221202. Its totient is φ = 2011202221200.

The previous prime is 2011202221169. The next prime is 2011202221247. The reversal of 2011202221201 is 1021222021102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1440156004225 + 571046216976 = 1200065^2 + 755676^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011202221201 - 2⁵ = 2011202221169 is a prime.

It is a super-2 number, since 2×2011202221201² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2011202221271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005601110600 + 1005601110601.

It is an arithmetic number, because the mean of its divisors is an integer number (1005601110601).

Almost surely, 2^{2011202221201} is an apocalyptic number.

It is an amenable number.

2011202221201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011202221201 is an equidigital number, since it uses as much as digits as its factorization.

2011202221201 is an odious number, because the sum of its binary digits is odd.

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

Adding to 2011202221201 its reverse (1021222021102), we get a palindrome (3032424242303).

The spelling of 2011202221201 in words is "two trillion, eleven billion, two hundred two million, two hundred twenty-one thousand, two hundred one".