2221012201 has 16 divisors (see below), whose sum is σ = 2366582400. Its totient is φ = 2078396928.

The previous prime is 2221012169. The next prime is 2221012217. The reversal of 2221012201 is 1022101222.

It is a happy number.

It is not a de Polignac number, because 2221012201 - 2⁵ = 2221012169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221012291) 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, 1423860 + ... + 1425418.

It is an arithmetic number, because the mean of its divisors is an integer number (147911400).

Almost surely, 2^2221012201 is an apocalyptic number.

It is an amenable number.

2221012201 is a deficient number, since it is larger than the sum of its proper divisors (145570199).

2221012201 is a wasteful number, since it uses less digits than its factorization.

2221012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2448.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2221012201 is about 47127.6161183652. The cubic root of 2221012201 is about 1304.7189837405.

Adding to 2221012201 its reverse (1022101222), we get a palindrome (3243113423).

The spelling of 2221012201 in words is "two billion, two hundred twenty-one million, twelve thousand, two hundred one".