2201012121010 has 16 divisors (see below), whose sum is σ = 4098436363800. Its totient is φ = 850046060416.

The previous prime is 2201012120999. The next prime is 2201012121013. The reversal of 2201012121010 is 101212101022.

It can be written as a sum of positive squares in 4 ways, for example, as 2187106758769 + 13905362241 = 1478887^2 + 117921^2 .

It is not an unprimeable number, because it can be changed into a prime (2201012121013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3794848195 + ... + 3794848774.

Almost surely, 2^{2201012121010} is an apocalyptic number.

2201012121010 is a deficient number, since it is larger than the sum of its proper divisors (1897424242790).

2201012121010 is a wasteful number, since it uses less digits than its factorization.

2201012121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7589697005.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2201012121010 its reverse (101212101022), we get a palindrome (2302224222032).

The spelling of 2201012121010 in words is "two trillion, two hundred one billion, twelve million, one hundred twenty-one thousand, ten".