2221012021201 has 16 divisors (see below), whose sum is σ = 2427627345408. Its totient is φ = 2022843513600.

The previous prime is 2221012021141. The next prime is 2221012021211. The reversal of 2221012021201 is 1021202101222.

It is a happy number.

2221012021201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2221012021201 - 2⁷ = 2221012021073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221012021211) 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, 13759306 + ... + 13919788.

It is an arithmetic number, because the mean of its divisors is an integer number (151726709088).

Almost surely, 2^{2221012021201} is an apocalyptic number.

It is an amenable number.

2221012021201 is a deficient number, since it is larger than the sum of its proper divisors (206615324207).

2221012021201 is a wasteful number, since it uses less digits than its factorization.

2221012021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186792.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2221012021201 its reverse (1021202101222), we get a palindrome (3242214122423).

The spelling of 2221012021201 in words is "two trillion, two hundred twenty-one billion, twelve million, twenty-one thousand, two hundred one".