2221201121122 has 16 divisors (see below), whose sum is σ = 3345570708480. Its totient is φ = 1106019687472.

The previous prime is 2221201121023. The next prime is 2221201121123. The reversal of 2221201121122 is 2211211021222.

2221201121122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2221201121122.

It is not an unprimeable number, because it can be changed into a prime (2221201121123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1695313 + ... + 2704900.

It is an arithmetic number, because the mean of its divisors is an integer number (209098169280).

Almost surely, 2^{2221201121122} is an apocalyptic number.

2221201121122 is a deficient number, since it is larger than the sum of its proper divisors (1124369587358).

2221201121122 is a wasteful number, since it uses less digits than its factorization.

2221201121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4401257.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2221201121122 its reverse (2211211021222), we get a palindrome (4432412142344).

The spelling of 2221201121122 in words is "two trillion, two hundred twenty-one billion, two hundred one million, one hundred twenty-one thousand, one hundred twenty-two".