2211020201 has 16 divisors (see below), whose sum is σ = 2454144000. Its totient is φ = 1979131968.

The previous prime is 2211020197. The next prime is 2211020209. The reversal of 2211020201 is 1020201122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2211020201 - 2² = 2211020197 is a prime.

It is a super-2 number, since 2×2211020201² = 9777220658460160802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211020209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50000 + ... + 83198.

It is an arithmetic number, because the mean of its divisors is an integer number (153384000).

Almost surely, 2^2211020201 is an apocalyptic number.

It is an amenable number.

2211020201 is a deficient number, since it is larger than the sum of its proper divisors (243123799).

2211020201 is a wasteful number, since it uses less digits than its factorization.

2211020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33368.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2211020201 is about 47021.4865885799. The cubic root of 2211020201 is about 1302.7594640797.

Adding to 2211020201 its reverse (1020201122), we get a palindrome (3231221323).

The spelling of 2211020201 in words is "two billion, two hundred eleven million, twenty thousand, two hundred one".