2221021211101 has 16 divisors (see below), whose sum is σ = 2769449679360. Its totient is φ = 1730425708080.

The previous prime is 2221021211083. The next prime is 2221021211159. The reversal of 2221021211101 is 1011121201222.

2221021211101 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 2221021211101 - 2²⁹ = 2220484340189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221021212101) 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, 1441951 + ... + 2553676.

It is an arithmetic number, because the mean of its divisors is an integer number (173090604960).

Almost surely, 2^{2221021211101} is an apocalyptic number.

It is an amenable number.

2221021211101 is a deficient number, since it is larger than the sum of its proper divisors (548428468259).

2221021211101 is a wasteful number, since it uses less digits than its factorization.

2221021211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4002864.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2221021211101 its reverse (1011121201222), we get a palindrome (3232142412323).

The spelling of 2221021211101 in words is "two trillion, two hundred twenty-one billion, twenty-one million, two hundred eleven thousand, one hundred one".