22202020111121 has 8 divisors (see below), whose sum is σ = 22236515375400. Its totient is φ = 22167533808000.

The previous prime is 22202020111069. The next prime is 22202020111127. The reversal of 22202020111121 is 12111102020222.

It can be written as a sum of positive squares in 4 ways, for example, as 5070202427521 + 17131817683600 = 2251711^2 + 4139060^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22202020111121 - 2¹⁰ = 22202020110097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22202020111121.

It is not an unprimeable number, because it can be changed into a prime (22202020111127) 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, 2727275 + ... + 7200143.

It is an arithmetic number, because the mean of its divisors is an integer number (2779564421925).

Almost surely, 2^{22202020111121} is an apocalyptic number.

It is an amenable number.

22202020111121 is a deficient number, since it is larger than the sum of its proper divisors (34495264279).

22202020111121 is an equidigital number, since it uses as much as digits as its factorization.

22202020111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4480579.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22202020111121 its reverse (12111102020222), we get a palindrome (34313122131343).

The spelling of 22202020111121 in words is "twenty-two trillion, two hundred two billion, twenty million, one hundred eleven thousand, one hundred twenty-one".