2221211201 has 16 divisors (see below), whose sum is σ = 2437948800. Its totient is φ = 2006983680.

The previous prime is 2221211189. The next prime is 2221211221. The reversal of 2221211201 is 1021121222.

It is a cyclic number.

It is not a de Polignac number, because 2221211201 - 2³⁰ = 1147469377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2221211221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1824545 + ... + 1825761.

It is an arithmetic number, because the mean of its divisors is an integer number (152371800).

Almost surely, 2^2221211201 is an apocalyptic number.

It is an amenable number.

2221211201 is a deficient number, since it is larger than the sum of its proper divisors (216737599).

2221211201 is a wasteful number, since it uses less digits than its factorization.

2221211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2221211201 is about 47129.7273597037. The cubic root of 2221211201 is about 1304.7579496564.

Adding to 2221211201 its reverse (1021121222), we get a palindrome (3242332423).

It can be divided in two parts, 222121 and 1201, that added together give a palindrome (223322).

The spelling of 2221211201 in words is "two billion, two hundred twenty-one million, two hundred eleven thousand, two hundred one".