22210220201121 has 6 divisors (see below), whose sum is σ = 32081429179410. Its totient is φ = 14806813467408.

The previous prime is 22210220201119. The next prime is 22210220201159. The reversal of 22210220201121 is 12110202201222.

It is a happy number.

22210220201121 is a `hidden beast` number, since 2 + 221 + 0 + 220 + 201 + 1 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 16926147939600 + 5284072261521 = 4114140^2 + 2298711^2 .

It is not a de Polignac number, because 22210220201121 - 2¹ = 22210220201119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22210220201094 and 22210220201103.

It is not an unprimeable number, because it can be changed into a prime (22210220201621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1233901122276 + ... + 1233901122293.

It is an arithmetic number, because the mean of its divisors is an integer number (5346904863235).

Almost surely, 2^{22210220201121} is an apocalyptic number.

It is an amenable number.

22210220201121 is a deficient number, since it is larger than the sum of its proper divisors (9871208978289).

22210220201121 is a wasteful number, since it uses less digits than its factorization.

22210220201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2467802244575 (or 2467802244572 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22210220201121 its reverse (12110202201222), we get a palindrome (34320422402343).

The spelling of 22210220201121 in words is "twenty-two trillion, two hundred ten billion, two hundred twenty million, two hundred one thousand, one hundred twenty-one".