22002001111121 has 2 divisors, whose sum is σ = 22002001111122. Its totient is φ = 22002001111120.

The previous prime is 22002001111093. The next prime is 22002001111133. The reversal of 22002001111121 is 12111110020022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21703159582225 + 298841528896 = 4658665^2 + 546664^2 .

It is a cyclic number.

It is not a de Polignac number, because 22002001111121 - 2³⁴ = 21984821241937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22002001111096 and 22002001111105.

It is not a weakly prime, because it can be changed into another prime (22002001111921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11001000555560 + 11001000555561.

It is an arithmetic number, because the mean of its divisors is an integer number (11001000555561).

Almost surely, 2^{22002001111121} is an apocalyptic number.

It is an amenable number.

22002001111121 is a deficient number, since it is larger than the sum of its proper divisors (1).

22002001111121 is an equidigital number, since it uses as much as digits as its factorization.

22002001111121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22002001111121 its reverse (12111110020022), we get a palindrome (34113111131143).

The spelling of 22002001111121 in words is "twenty-two trillion, two billion, one million, one hundred eleven thousand, one hundred twenty-one".