2211131201 has 2 divisors, whose sum is σ = 2211131202. Its totient is φ = 2211131200.

The previous prime is 2211131191. The next prime is 2211131227. The reversal of 2211131201 is 1021311122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2114620225 + 96510976 = 45985^2 + 9824^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211131201 - 2¹⁴ = 2211114817 is a prime.

It is not a weakly prime, because it can be changed into another prime (2211131261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105565600 + 1105565601.

It is an arithmetic number, because the mean of its divisors is an integer number (1105565601).

Almost surely, 2^2211131201 is an apocalyptic number.

It is an amenable number.

2211131201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211131201 is an equidigital number, since it uses as much as digits as its factorization.

2211131201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 2211131201 is about 47022.6668852374. Note that the first 3 decimals coincide. The cubic root of 2211131201 is about 1302.7812645560.

Adding to 2211131201 its reverse (1021311122), we get a palindrome (3232442323).

The spelling of 2211131201 in words is "two billion, two hundred eleven million, one hundred thirty-one thousand, two hundred one".