22022011021121 has 2 divisors, whose sum is σ = 22022011021122. Its totient is φ = 22022011021120.

The previous prime is 22022011021097. The next prime is 22022011021169. The reversal of 22022011021121 is 12112011022022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21877182063025 + 144828958096 = 4677305^2 + 380564^2 .

It is a cyclic number.

It is not a de Polignac number, because 22022011021121 - 2⁶ = 22022011021057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22022011021121.

It is not a weakly prime, because it can be changed into another prime (22022011021721) 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 as a sum of consecutive naturals, namely, 11011005510560 + 11011005510561.

It is an arithmetic number, because the mean of its divisors is an integer number (11011005510561).

Almost surely, 2^{22022011021121} is an apocalyptic number.

It is an amenable number.

22022011021121 is a deficient number, since it is larger than the sum of its proper divisors (1).

22022011021121 is an equidigital number, since it uses as much as digits as its factorization.

22022011021121 is an odious number, because the sum of its binary digits is odd.

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

Adding to 22022011021121 its reverse (12112011022022), we get a palindrome (34134022043143).

Subtracting from 22022011021121 its reverse (12112011022022), we obtain a palindrome (9909999999099).

The spelling of 22022011021121 in words is "twenty-two trillion, twenty-two billion, eleven million, twenty-one thousand, one hundred twenty-one".