2220012001 has 2 divisors, whose sum is σ = 2220012002. Its totient is φ = 2220012000.

The previous prime is 2220011987. The next prime is 2220012023. The reversal of 2220012001 is 1002100222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1352768400 + 867243601 = 36780^2 + 29449^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220012001 - 2¹⁹ = 2219487713 is a prime.

It is not a weakly prime, because it can be changed into another prime (2220012061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110006000 + 1110006001.

It is an arithmetic number, because the mean of its divisors is an integer number (1110006001).

Almost surely, 2^2220012001 is an apocalyptic number.

It is an amenable number.

2220012001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220012001 is an equidigital number, since it uses as much as digits as its factorization.

2220012001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2220012001 is about 47117.0033109068. The cubic root of 2220012001 is about 1304.5231006999.

Adding to 2220012001 its reverse (1002100222), we get a palindrome (3222112223).

The spelling of 2220012001 in words is "two billion, two hundred twenty million, twelve thousand, one".