22303220211121 has 2 divisors, whose sum is σ = 22303220211122. Its totient is φ = 22303220211120.

The previous prime is 22303220211079. The next prime is 22303220211143. The reversal of 22303220211121 is 12111202230322.

It is an a-pointer prime, because the next prime (22303220211143) can be obtained adding 22303220211121 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19295461875600 + 3007758335521 = 4392660^2 + 1734289^2 .

It is a cyclic number.

It is not a de Polignac number, because 22303220211121 - 2⁷ = 22303220210993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22303220211092 and 22303220211101.

It is not a weakly prime, because it can be changed into another prime (22303220211161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11151610105560 + 11151610105561.

It is an arithmetic number, because the mean of its divisors is an integer number (11151610105561).

Almost surely, 2^{22303220211121} is an apocalyptic number.

It is an amenable number.

22303220211121 is a deficient number, since it is larger than the sum of its proper divisors (1).

22303220211121 is an equidigital number, since it uses as much as digits as its factorization.

22303220211121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 22303220211121 its reverse (12111202230322), we get a palindrome (34414422441443).

The spelling of 22303220211121 in words is "twenty-two trillion, three hundred three billion, two hundred twenty million, two hundred eleven thousand, one hundred twenty-one".