2221201200010 has 32 divisors (see below), whose sum is σ = 4306090500432. Its totient is φ = 820063941120.

The previous prime is 2221201199999. The next prime is 2221201200013. The reversal of 2221201200010 is 100021021222.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 932860427409 + 1288340772601 = 965847^2 + 1135051^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (2221201200013) 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, 751540 + ... + 2237680.

Almost surely, 2^{2221201200010} is an apocalyptic number.

2221201200010 is a deficient number, since it is larger than the sum of its proper divisors (2084889300422).

2221201200010 is a wasteful number, since it uses less digits than its factorization.

2221201200010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497658.

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

Adding to 2221201200010 its reverse (100021021222), we get a palindrome (2321222221232).

The spelling of 2221201200010 in words is "two trillion, two hundred twenty-one billion, two hundred one million, two hundred thousand, ten".